diff --git a/Sortable.js b/Sortable.js
index 5693fb8..c9fc59d 100644
--- a/Sortable.js
+++ b/Sortable.js
@@ -310,7 +310,7 @@
 				type = evt.type,
 				touch = evt.touches && evt.touches[0],
 				target = (touch || evt).target,
-				originalTarget = evt.target.shadowRoot && evt.path[0] || target,
+				originalTarget = evt.target.shadowRoot && (evt.path && evt.path[0]) || target,
 				filter = options.filter,
 				startIndex;
 
@@ -322,7 +322,7 @@
 				return;
 			}
 
-			if (type === 'mousedown' && evt.button !== 0 || options.disabled) {
+			if (/mousedown|pointerdown/.test(type) && evt.button !== 0 || options.disabled) {
 				return; // only left button or enabled
 			}
 
@@ -479,11 +479,11 @@
 			}
 
 			try {
-				if (document.selection) {					
-					// Timeout neccessary for IE9					
+				if (document.selection) {
+					// Timeout neccessary for IE9
 					setTimeout(function () {
 						document.selection.empty();
-					});					
+					});
 				} else {
 					window.getSelection().removeAllRanges();
 				}
@@ -736,8 +736,13 @@
 
 
 				if ((el.children.length === 0) || (el.children[0] === ghostEl) ||
-					(el === evt.target) && (target = _ghostIsLast(el, evt))
+					(el === evt.target) && (_ghostIsLast(el, evt))
 				) {
+					//assign target only if condition is true
+					if (el.children.length !== 0 && el.children[0] !== ghostEl && el === evt.target) {
+						target = el.lastElementChild;
+					}
+
 					if (target) {
 						if (target.animated) {
 							return;
@@ -775,34 +780,36 @@
 						isLong = (target.offsetHeight > dragEl.offsetHeight),
 						halfway = (floating ? (evt.clientX - targetRect.left) / width : (evt.clientY - targetRect.top) / height) > 0.5,
 						nextSibling = target.nextElementSibling,
-						moveVector = _onMove(rootEl, el, dragEl, dragRect, target, targetRect, evt),
 						after = false
 					;
 
-					if (moveVector !== false) {
-						_silent = true;
-						setTimeout(_unsilent, 30);
+					if (floating) {
+						var elTop = dragEl.offsetTop,
+							tgTop = target.offsetTop;
 
-						_cloneHide(activeSortable, isOwner);
+						if (elTop === tgTop) {
+							after = (target.previousElementSibling === dragEl) && !isWide || halfway && isWide;
+						}
+						else if (target.previousElementSibling === dragEl || dragEl.previousElementSibling === target) {
+							after = (evt.clientY - targetRect.top) / height > 0.5;
+						} else {
+							after = tgTop > elTop;
+						}
+						} else if (!isMovingBetweenSortable) {
+						after = (nextSibling !== dragEl) && !isLong || halfway && isLong;
+					}
 
+					var moveVector = _onMove(rootEl, el, dragEl, dragRect, target, targetRect, evt, after);
+
+					if (moveVector !== false) {
 						if (moveVector === 1 || moveVector === -1) {
 							after = (moveVector === 1);
 						}
-						else if (floating) {
-							var elTop = dragEl.offsetTop,
-								tgTop = target.offsetTop;
 
-							if (elTop === tgTop) {
-								after = (target.previousElementSibling === dragEl) && !isWide || halfway && isWide;
-							}
-							else if (target.previousElementSibling === dragEl || dragEl.previousElementSibling === target) {
-								after = (evt.clientY - targetRect.top) / height > 0.5;
-							} else {
-								after = tgTop > elTop;
-							}
-						} else if (!isMovingBetweenSortable) {
-							after = (nextSibling !== dragEl) && !isLong || halfway && isLong;
-						}
+						_silent = true;
+						setTimeout(_unsilent, 30);
+
+						_cloneHide(activeSortable, isOwner);
 
 						if (!dragEl.contains(el)) {
 							if (after && !nextSibling) {
@@ -860,6 +867,7 @@
 			_off(ownerDocument, 'touchend', this._onDrop);
 			_off(ownerDocument, 'pointerup', this._onDrop);
 			_off(ownerDocument, 'touchcancel', this._onDrop);
+			_off(ownerDocument, 'pointercancel', this._onDrop);
 			_off(ownerDocument, 'selectstart', this);
 		},
 
@@ -887,7 +895,12 @@
 					!options.dropBubble && evt.stopPropagation();
 				}
 
-				ghostEl && ghostEl.parentNode.removeChild(ghostEl);
+				ghostEl && ghostEl.parentNode && ghostEl.parentNode.removeChild(ghostEl);
+
+				if (rootEl === parentEl || Sortable.active.lastPullMode !== 'clone') {
+					// Remove clone
+					cloneEl && cloneEl.parentNode && cloneEl.parentNode.removeChild(cloneEl);
+				}
 
 				if (dragEl) {
 					if (this.nativeDraggable) {
@@ -901,11 +914,13 @@
 					_toggleClass(dragEl, this.options.ghostClass, false);
 					_toggleClass(dragEl, this.options.chosenClass, false);
 
+					// Drag stop event
+					_dispatchEvent(this, rootEl, 'unchoose', dragEl, rootEl, oldIndex);
+
 					if (rootEl !== parentEl) {
 						newIndex = _index(dragEl, options.draggable);
 
 						if (newIndex >= 0) {
-
 							// Add event
 							_dispatchEvent(null, parentEl, 'add', dragEl, rootEl, oldIndex, newIndex);
 
@@ -918,9 +933,6 @@
 						}
 					}
 					else {
-						// Remove clone
-						cloneEl && cloneEl.parentNode.removeChild(cloneEl);
-
 						if (dragEl.nextSibling !== nextEl) {
 							// Get the index of the dragged element within its parent
 							newIndex = _index(dragEl, options.draggable);
@@ -1269,7 +1281,7 @@
 	}
 
 
-	function _onMove(fromEl, toEl, dragEl, dragRect, targetEl, targetRect, originalEvt) {
+	function _onMove(fromEl, toEl, dragEl, dragRect, targetEl, targetRect, originalEvt, willInsertAfter) {
 		var evt,
 			sortable = fromEl[expando],
 			onMoveFn = sortable.options.onMove,
@@ -1284,6 +1296,7 @@
 		evt.draggedRect = dragRect;
 		evt.related = targetEl || toEl;
 		evt.relatedRect = targetRect || toEl.getBoundingClientRect();
+		evt.willInsertAfter = willInsertAfter;
 
 		fromEl.dispatchEvent(evt);
 
@@ -1312,10 +1325,8 @@
 
 		// 5 — min delta
 		// abs — нельзя добавлять, а то глюки при наведении сверху
-		return (
-			(evt.clientY - (rect.top + rect.height) > 5) ||
-			(evt.clientX - (rect.right + rect.width) > 5)
-		) && lastEl;
+		return (evt.clientY - (rect.top + rect.height) > 5) ||
+			(evt.clientX - (rect.left + rect.width) > 5);
 	}
 
 
@@ -1475,6 +1486,6 @@
 
 
 	// Export
-	Sortable.version = '1.5.0';
+	Sortable.version = '1.6.1';
 	return Sortable;
 });
diff --git a/Sortable.min.js b/Sortable.min.js
index 3108f75..6b846ce 100644
--- a/Sortable.min.js
+++ b/Sortable.min.js
@@ -1,2 +1,2 @@
-/*! Sortable 1.5.0 - MIT | git://github.com/rubaxa/Sortable.git */
-!function(a){"use strict";"function"==typeof define&&define.amd?define(a):"undefined"!=typeof module&&"undefined"!=typeof module.exports?module.exports=a():window.Sortable=a()}(function(){"use strict";function a(a,b){if(!a||!a.nodeType||1!==a.nodeType)throw"Sortable: `el` must be HTMLElement, and not "+{}.toString.call(a);this.el=a,this.options=b=t({},b),a[T]=this;var c={group:Math.random(),sort:!0,disabled:!1,store:null,handle:null,scroll:!0,scrollSensitivity:30,scrollSpeed:10,draggable:/[uo]l/i.test(a.nodeName)?"li":">*",ghostClass:"sortable-ghost",chosenClass:"sortable-chosen",dragClass:"sortable-drag",ignore:"a, img",filter:null,preventOnFilter:!0,animation:0,setData:function(a,b){a.setData("Text",b.textContent)},dropBubble:!1,dragoverBubble:!1,dataIdAttr:"data-id",delay:0,forceFallback:!1,fallbackClass:"sortable-fallback",fallbackOnBody:!1,fallbackTolerance:0,fallbackOffset:{x:0,y:0}};for(var d in c)!(d in b)&&(b[d]=c[d]);ga(b);for(var e in this)"_"===e.charAt(0)&&"function"==typeof this[e]&&(this[e]=this[e].bind(this));this.nativeDraggable=!b.forceFallback&&$,f(a,"mousedown",this._onTapStart),f(a,"touchstart",this._onTapStart),f(a,"pointerdown",this._onTapStart),this.nativeDraggable&&(f(a,"dragover",this),f(a,"dragenter",this)),ea.push(this._onDragOver),b.store&&this.sort(b.store.get(this))}function b(a,b){"clone"!==a.lastPullMode&&(b=!0),z&&z.state!==b&&(i(z,"display",b?"none":""),b||z.state&&(a.options.group.revertClone?(A.insertBefore(z,B),a._animate(w,z)):A.insertBefore(z,w)),z.state=b)}function c(a,b,c){if(a){c=c||V;do if(">*"===b&&a.parentNode===c||r(a,b))return a;while(a=d(a))}return null}function d(a){var b=a.host;return b&&b.nodeType?b:a.parentNode}function e(a){a.dataTransfer&&(a.dataTransfer.dropEffect="move"),a.preventDefault()}function f(a,b,c){a.addEventListener(b,c,Z)}function g(a,b,c){a.removeEventListener(b,c,Z)}function h(a,b,c){if(a)if(a.classList)a.classList[c?"add":"remove"](b);else{var d=(" "+a.className+" ").replace(R," ").replace(" "+b+" "," ");a.className=(d+(c?" "+b:"")).replace(R," ")}}function i(a,b,c){var d=a&&a.style;if(d){if(void 0===c)return V.defaultView&&V.defaultView.getComputedStyle?c=V.defaultView.getComputedStyle(a,""):a.currentStyle&&(c=a.currentStyle),void 0===b?c:c[b];b in d||(b="-webkit-"+b),d[b]=c+("string"==typeof c?"":"px")}}function j(a,b,c){if(a){var d=a.getElementsByTagName(b),e=0,f=d.length;if(c)for(;e<f;e++)c(d[e],e);return d}return[]}function k(a,b,c,d,e,f,g){a=a||b[T];var h=V.createEvent("Event"),i=a.options,j="on"+c.charAt(0).toUpperCase()+c.substr(1);h.initEvent(c,!0,!0),h.to=b,h.from=e||b,h.item=d||b,h.clone=z,h.oldIndex=f,h.newIndex=g,b.dispatchEvent(h),i[j]&&i[j].call(a,h)}function l(a,b,c,d,e,f,g){var h,i,j=a[T],k=j.options.onMove;return h=V.createEvent("Event"),h.initEvent("move",!0,!0),h.to=b,h.from=a,h.dragged=c,h.draggedRect=d,h.related=e||b,h.relatedRect=f||b.getBoundingClientRect(),a.dispatchEvent(h),k&&(i=k.call(j,h,g)),i}function m(a){a.draggable=!1}function n(){aa=!1}function o(a,b){var c=a.lastElementChild,d=c.getBoundingClientRect();return(b.clientY-(d.top+d.height)>5||b.clientX-(d.right+d.width)>5)&&c}function p(a){for(var b=a.tagName+a.className+a.src+a.href+a.textContent,c=b.length,d=0;c--;)d+=b.charCodeAt(c);return d.toString(36)}function q(a,b){var c=0;if(!a||!a.parentNode)return-1;for(;a&&(a=a.previousElementSibling);)"TEMPLATE"===a.nodeName.toUpperCase()||">*"!==b&&!r(a,b)||c++;return c}function r(a,b){if(a){b=b.split(".");var c=b.shift().toUpperCase(),d=new RegExp("\\s("+b.join("|")+")(?=\\s)","g");return!(""!==c&&a.nodeName.toUpperCase()!=c||b.length&&((" "+a.className+" ").match(d)||[]).length!=b.length)}return!1}function s(a,b){var c,d;return function(){void 0===c&&(c=arguments,d=this,setTimeout(function(){1===c.length?a.call(d,c[0]):a.apply(d,c),c=void 0},b))}}function t(a,b){if(a&&b)for(var c in b)b.hasOwnProperty(c)&&(a[c]=b[c]);return a}function u(a){return X?X(a).clone(!0)[0]:Y&&Y.dom?Y.dom(a).cloneNode(!0):a.cloneNode(!0)}function v(a){for(var b=a.getElementsByTagName("input"),c=b.length;c--;){var d=b[c];d.checked&&da.push(d)}}if("undefined"==typeof window||!window.document)return function(){throw new Error("Sortable.js requires a window with a document")};var w,x,y,z,A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q={},R=/\s+/g,S=/left|right|inline/,T="Sortable"+(new Date).getTime(),U=window,V=U.document,W=U.parseInt,X=U.jQuery||U.Zepto,Y=U.Polymer,Z=!1,$=!!("draggable"in V.createElement("div")),_=function(a){return!navigator.userAgent.match(/Trident.*rv[ :]?11\./)&&(a=V.createElement("x"),a.style.cssText="pointer-events:auto","auto"===a.style.pointerEvents)}(),aa=!1,ba=Math.abs,ca=Math.min,da=[],ea=[],fa=s(function(a,b,c){if(c&&b.scroll){var d,e,f,g,h,i,j=c[T],k=b.scrollSensitivity,l=b.scrollSpeed,m=a.clientX,n=a.clientY,o=window.innerWidth,p=window.innerHeight;if(E!==c&&(D=b.scroll,E=c,F=b.scrollFn,D===!0)){D=c;do if(D.offsetWidth<D.scrollWidth||D.offsetHeight<D.scrollHeight)break;while(D=D.parentNode)}D&&(d=D,e=D.getBoundingClientRect(),f=(ba(e.right-m)<=k)-(ba(e.left-m)<=k),g=(ba(e.bottom-n)<=k)-(ba(e.top-n)<=k)),f||g||(f=(o-m<=k)-(m<=k),g=(p-n<=k)-(n<=k),(f||g)&&(d=U)),Q.vx===f&&Q.vy===g&&Q.el===d||(Q.el=d,Q.vx=f,Q.vy=g,clearInterval(Q.pid),d&&(Q.pid=setInterval(function(){return i=g?g*l:0,h=f?f*l:0,"function"==typeof F?F.call(j,h,i,a):void(d===U?U.scrollTo(U.pageXOffset+h,U.pageYOffset+i):(d.scrollTop+=i,d.scrollLeft+=h))},24)))}},30),ga=function(a){function b(a,b){return void 0!==a&&a!==!0||(a=c.name),"function"==typeof a?a:function(c,d){var e=d.options.group.name;return b?a:a&&(a.join?a.indexOf(e)>-1:e==a)}}var c={},d=a.group;d&&"object"==typeof d||(d={name:d}),c.name=d.name,c.checkPull=b(d.pull,!0),c.checkPut=b(d.put),c.revertClone=d.revertClone,a.group=c};a.prototype={constructor:a,_onTapStart:function(a){var b,d=this,e=this.el,f=this.options,g=f.preventOnFilter,h=a.type,i=a.touches&&a.touches[0],j=(i||a).target,l=a.target.shadowRoot&&a.path[0]||j,m=f.filter;if(v(e),!w&&!("mousedown"===h&&0!==a.button||f.disabled)&&(j=c(j,f.draggable,e),j&&C!==j)){if(b=q(j,f.draggable),"function"==typeof m){if(m.call(this,a,j,this))return k(d,l,"filter",j,e,b),void(g&&a.preventDefault())}else if(m&&(m=m.split(",").some(function(a){if(a=c(l,a.trim(),e))return k(d,a,"filter",j,e,b),!0})))return void(g&&a.preventDefault());f.handle&&!c(l,f.handle,e)||this._prepareDragStart(a,i,j,b)}},_prepareDragStart:function(a,b,c,d){var e,g=this,i=g.el,l=g.options,n=i.ownerDocument;c&&!w&&c.parentNode===i&&(N=a,A=i,w=c,x=w.parentNode,B=w.nextSibling,C=c,L=l.group,J=d,this._lastX=(b||a).clientX,this._lastY=(b||a).clientY,w.style["will-change"]="transform",e=function(){g._disableDelayedDrag(),w.draggable=g.nativeDraggable,h(w,l.chosenClass,!0),g._triggerDragStart(a,b),k(g,A,"choose",w,A,J)},l.ignore.split(",").forEach(function(a){j(w,a.trim(),m)}),f(n,"mouseup",g._onDrop),f(n,"touchend",g._onDrop),f(n,"touchcancel",g._onDrop),f(n,"pointercancel",g._onDrop),f(n,"selectstart",g),l.delay?(f(n,"mouseup",g._disableDelayedDrag),f(n,"touchend",g._disableDelayedDrag),f(n,"touchcancel",g._disableDelayedDrag),f(n,"mousemove",g._disableDelayedDrag),f(n,"touchmove",g._disableDelayedDrag),f(n,"pointermove",g._disableDelayedDrag),g._dragStartTimer=setTimeout(e,l.delay)):e())},_disableDelayedDrag:function(){var a=this.el.ownerDocument;clearTimeout(this._dragStartTimer),g(a,"mouseup",this._disableDelayedDrag),g(a,"touchend",this._disableDelayedDrag),g(a,"touchcancel",this._disableDelayedDrag),g(a,"mousemove",this._disableDelayedDrag),g(a,"touchmove",this._disableDelayedDrag),g(a,"pointermove",this._disableDelayedDrag)},_triggerDragStart:function(a,b){b=b||("touch"==a.pointerType?a:null),b?(N={target:w,clientX:b.clientX,clientY:b.clientY},this._onDragStart(N,"touch")):this.nativeDraggable?(f(w,"dragend",this),f(A,"dragstart",this._onDragStart)):this._onDragStart(N,!0);try{V.selection?setTimeout(function(){V.selection.empty()}):window.getSelection().removeAllRanges()}catch(a){}},_dragStarted:function(){if(A&&w){var b=this.options;h(w,b.ghostClass,!0),h(w,b.dragClass,!1),a.active=this,k(this,A,"start",w,A,J)}else this._nulling()},_emulateDragOver:function(){if(O){if(this._lastX===O.clientX&&this._lastY===O.clientY)return;this._lastX=O.clientX,this._lastY=O.clientY,_||i(y,"display","none");var a=V.elementFromPoint(O.clientX,O.clientY),b=a,c=ea.length;if(b)do{if(b[T]){for(;c--;)ea[c]({clientX:O.clientX,clientY:O.clientY,target:a,rootEl:b});break}a=b}while(b=b.parentNode);_||i(y,"display","")}},_onTouchMove:function(b){if(N){var c=this.options,d=c.fallbackTolerance,e=c.fallbackOffset,f=b.touches?b.touches[0]:b,g=f.clientX-N.clientX+e.x,h=f.clientY-N.clientY+e.y,j=b.touches?"translate3d("+g+"px,"+h+"px,0)":"translate("+g+"px,"+h+"px)";if(!a.active){if(d&&ca(ba(f.clientX-this._lastX),ba(f.clientY-this._lastY))<d)return;this._dragStarted()}this._appendGhost(),P=!0,O=f,i(y,"webkitTransform",j),i(y,"mozTransform",j),i(y,"msTransform",j),i(y,"transform",j),b.preventDefault()}},_appendGhost:function(){if(!y){var a,b=w.getBoundingClientRect(),c=i(w),d=this.options;y=w.cloneNode(!0),h(y,d.ghostClass,!1),h(y,d.fallbackClass,!0),h(y,d.dragClass,!0),i(y,"top",b.top-W(c.marginTop,10)),i(y,"left",b.left-W(c.marginLeft,10)),i(y,"width",b.width),i(y,"height",b.height),i(y,"opacity","0.8"),i(y,"position","fixed"),i(y,"zIndex","100000"),i(y,"pointerEvents","none"),d.fallbackOnBody&&V.body.appendChild(y)||A.appendChild(y),a=y.getBoundingClientRect(),i(y,"width",2*b.width-a.width),i(y,"height",2*b.height-a.height)}},_onDragStart:function(a,b){var c=a.dataTransfer,d=this.options;this._offUpEvents(),L.checkPull(this,this,w,a)&&(z=u(w),z.draggable=!1,z.style["will-change"]="",i(z,"display","none"),h(z,this.options.chosenClass,!1),A.insertBefore(z,w),k(this,A,"clone",w)),h(w,d.dragClass,!0),b?("touch"===b?(f(V,"touchmove",this._onTouchMove),f(V,"touchend",this._onDrop),f(V,"touchcancel",this._onDrop),f(V,"pointermove",this._onTouchMove),f(V,"pointerup",this._onDrop)):(f(V,"mousemove",this._onTouchMove),f(V,"mouseup",this._onDrop)),this._loopId=setInterval(this._emulateDragOver,50)):(c&&(c.effectAllowed="move",d.setData&&d.setData.call(this,c,w)),f(V,"drop",this),setTimeout(this._dragStarted,0))},_onDragOver:function(d){var e,f,g,h,j=this.el,k=this.options,m=k.group,p=a.active,q=L===m,r=!1,s=k.sort;if(void 0!==d.preventDefault&&(d.preventDefault(),!k.dragoverBubble&&d.stopPropagation()),!w.animated&&(P=!0,p&&!k.disabled&&(q?s||(h=!A.contains(w)):M===this||(p.lastPullMode=L.checkPull(this,p,w,d))&&m.checkPut(this,p,w,d))&&(void 0===d.rootEl||d.rootEl===this.el))){if(fa(d,k,this.el),aa)return;if(e=c(d.target,k.draggable,j),f=w.getBoundingClientRect(),M!==this&&(M=this,r=!0),h)return b(p,!0),x=A,void(z||B?A.insertBefore(w,z||B):s||A.appendChild(w));if(0===j.children.length||j.children[0]===y||j===d.target&&(e=o(j,d))){if(e){if(e.animated)return;g=e.getBoundingClientRect()}b(p,q),l(A,j,w,f,e,g,d)!==!1&&(w.contains(j)||(j.appendChild(w),x=j),this._animate(f,w),e&&this._animate(g,e))}else if(e&&!e.animated&&e!==w&&void 0!==e.parentNode[T]){G!==e&&(G=e,H=i(e),I=i(e.parentNode)),g=e.getBoundingClientRect();var t=g.right-g.left,u=g.bottom-g.top,v=S.test(H.cssFloat+H.display)||"flex"==I.display&&0===I["flex-direction"].indexOf("row"),C=e.offsetWidth>w.offsetWidth,D=e.offsetHeight>w.offsetHeight,E=(v?(d.clientX-g.left)/t:(d.clientY-g.top)/u)>.5,F=e.nextElementSibling,J=l(A,j,w,f,e,g,d),K=!1;if(J!==!1){if(aa=!0,setTimeout(n,30),b(p,q),1===J||J===-1)K=1===J;else if(v){var N=w.offsetTop,O=e.offsetTop;K=N===O?e.previousElementSibling===w&&!C||E&&C:e.previousElementSibling===w||w.previousElementSibling===e?(d.clientY-g.top)/u>.5:O>N}else r||(K=F!==w&&!D||E&&D);w.contains(j)||(K&&!F?j.appendChild(w):e.parentNode.insertBefore(w,K?F:e)),x=w.parentNode,this._animate(f,w),this._animate(g,e)}}}},_animate:function(a,b){var c=this.options.animation;if(c){var d=b.getBoundingClientRect();1===a.nodeType&&(a=a.getBoundingClientRect()),i(b,"transition","none"),i(b,"transform","translate3d("+(a.left-d.left)+"px,"+(a.top-d.top)+"px,0)"),b.offsetWidth,i(b,"transition","all "+c+"ms"),i(b,"transform","translate3d(0,0,0)"),clearTimeout(b.animated),b.animated=setTimeout(function(){i(b,"transition",""),i(b,"transform",""),b.animated=!1},c)}},_offUpEvents:function(){var a=this.el.ownerDocument;g(V,"touchmove",this._onTouchMove),g(V,"pointermove",this._onTouchMove),g(a,"mouseup",this._onDrop),g(a,"touchend",this._onDrop),g(a,"pointerup",this._onDrop),g(a,"touchcancel",this._onDrop),g(a,"selectstart",this)},_onDrop:function(b){var c=this.el,d=this.options;clearInterval(this._loopId),clearInterval(Q.pid),clearTimeout(this._dragStartTimer),g(V,"mousemove",this._onTouchMove),this.nativeDraggable&&(g(V,"drop",this),g(c,"dragstart",this._onDragStart)),this._offUpEvents(),b&&(P&&(b.preventDefault(),!d.dropBubble&&b.stopPropagation()),y&&y.parentNode.removeChild(y),w&&(this.nativeDraggable&&g(w,"dragend",this),m(w),w.style["will-change"]="",h(w,this.options.ghostClass,!1),h(w,this.options.chosenClass,!1),A!==x?(K=q(w,d.draggable),K>=0&&(k(null,x,"add",w,A,J,K),k(this,A,"remove",w,A,J,K),k(null,x,"sort",w,A,J,K),k(this,A,"sort",w,A,J,K))):(z&&z.parentNode.removeChild(z),w.nextSibling!==B&&(K=q(w,d.draggable),K>=0&&(k(this,A,"update",w,A,J,K),k(this,A,"sort",w,A,J,K)))),a.active&&(null!=K&&K!==-1||(K=J),k(this,A,"end",w,A,J,K),this.save()))),this._nulling()},_nulling:function(){A=w=x=y=B=z=C=D=E=N=O=P=K=G=H=M=L=a.active=null,da.forEach(function(a){a.checked=!0}),da.length=0},handleEvent:function(a){switch(a.type){case"drop":case"dragend":this._onDrop(a);break;case"dragover":case"dragenter":w&&(this._onDragOver(a),e(a));break;case"selectstart":a.preventDefault()}},toArray:function(){for(var a,b=[],d=this.el.children,e=0,f=d.length,g=this.options;e<f;e++)a=d[e],c(a,g.draggable,this.el)&&b.push(a.getAttribute(g.dataIdAttr)||p(a));return b},sort:function(a){var b={},d=this.el;this.toArray().forEach(function(a,e){var f=d.children[e];c(f,this.options.draggable,d)&&(b[a]=f)},this),a.forEach(function(a){b[a]&&(d.removeChild(b[a]),d.appendChild(b[a]))})},save:function(){var a=this.options.store;a&&a.set(this)},closest:function(a,b){return c(a,b||this.options.draggable,this.el)},option:function(a,b){var c=this.options;return void 0===b?c[a]:(c[a]=b,void("group"===a&&ga(c)))},destroy:function(){var a=this.el;a[T]=null,g(a,"mousedown",this._onTapStart),g(a,"touchstart",this._onTapStart),g(a,"pointerdown",this._onTapStart),this.nativeDraggable&&(g(a,"dragover",this),g(a,"dragenter",this)),Array.prototype.forEach.call(a.querySelectorAll("[draggable]"),function(a){a.removeAttribute("draggable")}),ea.splice(ea.indexOf(this._onDragOver),1),this._onDrop(),this.el=a=null}};try{window.addEventListener("test",null,Object.defineProperty({},"passive",{get:function(){Z={capture:!1,passive:!1}}}))}catch(a){}return a.utils={on:f,off:g,css:i,find:j,is:function(a,b){return!!c(a,b,a)},extend:t,throttle:s,closest:c,toggleClass:h,clone:u,index:q},a.create=function(b,c){return new a(b,c)},a.version="1.5.0",a});
\ No newline at end of file
+/*! Sortable 1.6.1 - MIT | git://github.com/rubaxa/Sortable.git */
+!function(a){"use strict";"function"==typeof define&&define.amd?define(a):"undefined"!=typeof module&&"undefined"!=typeof module.exports?module.exports=a():window.Sortable=a()}(function(){"use strict";function a(a,b){if(!a||!a.nodeType||1!==a.nodeType)throw"Sortable: `el` must be HTMLElement, and not "+{}.toString.call(a);this.el=a,this.options=b=t({},b),a[T]=this;var c={group:Math.random(),sort:!0,disabled:!1,store:null,handle:null,scroll:!0,scrollSensitivity:30,scrollSpeed:10,draggable:/[uo]l/i.test(a.nodeName)?"li":">*",ghostClass:"sortable-ghost",chosenClass:"sortable-chosen",dragClass:"sortable-drag",ignore:"a, img",filter:null,preventOnFilter:!0,animation:0,setData:function(a,b){a.setData("Text",b.textContent)},dropBubble:!1,dragoverBubble:!1,dataIdAttr:"data-id",delay:0,forceFallback:!1,fallbackClass:"sortable-fallback",fallbackOnBody:!1,fallbackTolerance:0,fallbackOffset:{x:0,y:0}};for(var d in c)!(d in b)&&(b[d]=c[d]);ga(b);for(var e in this)"_"===e.charAt(0)&&"function"==typeof this[e]&&(this[e]=this[e].bind(this));this.nativeDraggable=!b.forceFallback&&$,f(a,"mousedown",this._onTapStart),f(a,"touchstart",this._onTapStart),f(a,"pointerdown",this._onTapStart),this.nativeDraggable&&(f(a,"dragover",this),f(a,"dragenter",this)),ea.push(this._onDragOver),b.store&&this.sort(b.store.get(this))}function b(a,b){"clone"!==a.lastPullMode&&(b=!0),z&&z.state!==b&&(i(z,"display",b?"none":""),b||z.state&&(a.options.group.revertClone?(A.insertBefore(z,B),a._animate(w,z)):A.insertBefore(z,w)),z.state=b)}function c(a,b,c){if(a){c=c||V;do if(">*"===b&&a.parentNode===c||r(a,b))return a;while(a=d(a))}return null}function d(a){var b=a.host;return b&&b.nodeType?b:a.parentNode}function e(a){a.dataTransfer&&(a.dataTransfer.dropEffect="move"),a.preventDefault()}function f(a,b,c){a.addEventListener(b,c,Z)}function g(a,b,c){a.removeEventListener(b,c,Z)}function h(a,b,c){if(a)if(a.classList)a.classList[c?"add":"remove"](b);else{var d=(" "+a.className+" ").replace(R," ").replace(" "+b+" "," ");a.className=(d+(c?" "+b:"")).replace(R," ")}}function i(a,b,c){var d=a&&a.style;if(d){if(void 0===c)return V.defaultView&&V.defaultView.getComputedStyle?c=V.defaultView.getComputedStyle(a,""):a.currentStyle&&(c=a.currentStyle),void 0===b?c:c[b];b in d||(b="-webkit-"+b),d[b]=c+("string"==typeof c?"":"px")}}function j(a,b,c){if(a){var d=a.getElementsByTagName(b),e=0,f=d.length;if(c)for(;e<f;e++)c(d[e],e);return d}return[]}function k(a,b,c,d,e,f,g){a=a||b[T];var h=V.createEvent("Event"),i=a.options,j="on"+c.charAt(0).toUpperCase()+c.substr(1);h.initEvent(c,!0,!0),h.to=b,h.from=e||b,h.item=d||b,h.clone=z,h.oldIndex=f,h.newIndex=g,b.dispatchEvent(h),i[j]&&i[j].call(a,h)}function l(a,b,c,d,e,f,g,h){var i,j,k=a[T],l=k.options.onMove;return i=V.createEvent("Event"),i.initEvent("move",!0,!0),i.to=b,i.from=a,i.dragged=c,i.draggedRect=d,i.related=e||b,i.relatedRect=f||b.getBoundingClientRect(),i.willInsertAfter=h,a.dispatchEvent(i),l&&(j=l.call(k,i,g)),j}function m(a){a.draggable=!1}function n(){aa=!1}function o(a,b){var c=a.lastElementChild,d=c.getBoundingClientRect();return b.clientY-(d.top+d.height)>5||b.clientX-(d.left+d.width)>5}function p(a){for(var b=a.tagName+a.className+a.src+a.href+a.textContent,c=b.length,d=0;c--;)d+=b.charCodeAt(c);return d.toString(36)}function q(a,b){var c=0;if(!a||!a.parentNode)return-1;for(;a&&(a=a.previousElementSibling);)"TEMPLATE"===a.nodeName.toUpperCase()||">*"!==b&&!r(a,b)||c++;return c}function r(a,b){if(a){b=b.split(".");var c=b.shift().toUpperCase(),d=new RegExp("\\s("+b.join("|")+")(?=\\s)","g");return!(""!==c&&a.nodeName.toUpperCase()!=c||b.length&&((" "+a.className+" ").match(d)||[]).length!=b.length)}return!1}function s(a,b){var c,d;return function(){void 0===c&&(c=arguments,d=this,setTimeout(function(){1===c.length?a.call(d,c[0]):a.apply(d,c),c=void 0},b))}}function t(a,b){if(a&&b)for(var c in b)b.hasOwnProperty(c)&&(a[c]=b[c]);return a}function u(a){return X?X(a).clone(!0)[0]:Y&&Y.dom?Y.dom(a).cloneNode(!0):a.cloneNode(!0)}function v(a){for(var b=a.getElementsByTagName("input"),c=b.length;c--;){var d=b[c];d.checked&&da.push(d)}}if("undefined"==typeof window||!window.document)return function(){throw new Error("Sortable.js requires a window with a document")};var w,x,y,z,A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q={},R=/\s+/g,S=/left|right|inline/,T="Sortable"+(new Date).getTime(),U=window,V=U.document,W=U.parseInt,X=U.jQuery||U.Zepto,Y=U.Polymer,Z=!1,$=!!("draggable"in V.createElement("div")),_=function(a){return!navigator.userAgent.match(/Trident.*rv[ :]?11\./)&&(a=V.createElement("x"),a.style.cssText="pointer-events:auto","auto"===a.style.pointerEvents)}(),aa=!1,ba=Math.abs,ca=Math.min,da=[],ea=[],fa=s(function(a,b,c){if(c&&b.scroll){var d,e,f,g,h,i,j=c[T],k=b.scrollSensitivity,l=b.scrollSpeed,m=a.clientX,n=a.clientY,o=window.innerWidth,p=window.innerHeight;if(E!==c&&(D=b.scroll,E=c,F=b.scrollFn,D===!0)){D=c;do if(D.offsetWidth<D.scrollWidth||D.offsetHeight<D.scrollHeight)break;while(D=D.parentNode)}D&&(d=D,e=D.getBoundingClientRect(),f=(ba(e.right-m)<=k)-(ba(e.left-m)<=k),g=(ba(e.bottom-n)<=k)-(ba(e.top-n)<=k)),f||g||(f=(o-m<=k)-(m<=k),g=(p-n<=k)-(n<=k),(f||g)&&(d=U)),Q.vx===f&&Q.vy===g&&Q.el===d||(Q.el=d,Q.vx=f,Q.vy=g,clearInterval(Q.pid),d&&(Q.pid=setInterval(function(){return i=g?g*l:0,h=f?f*l:0,"function"==typeof F?F.call(j,h,i,a):void(d===U?U.scrollTo(U.pageXOffset+h,U.pageYOffset+i):(d.scrollTop+=i,d.scrollLeft+=h))},24)))}},30),ga=function(a){function b(a,b){return void 0!==a&&a!==!0||(a=c.name),"function"==typeof a?a:function(c,d){var e=d.options.group.name;return b?a:a&&(a.join?a.indexOf(e)>-1:e==a)}}var c={},d=a.group;d&&"object"==typeof d||(d={name:d}),c.name=d.name,c.checkPull=b(d.pull,!0),c.checkPut=b(d.put),c.revertClone=d.revertClone,a.group=c};a.prototype={constructor:a,_onTapStart:function(a){var b,d=this,e=this.el,f=this.options,g=f.preventOnFilter,h=a.type,i=a.touches&&a.touches[0],j=(i||a).target,l=a.target.shadowRoot&&a.path&&a.path[0]||j,m=f.filter;if(v(e),!w&&!(/mousedown|pointerdown/.test(h)&&0!==a.button||f.disabled)&&(j=c(j,f.draggable,e),j&&C!==j)){if(b=q(j,f.draggable),"function"==typeof m){if(m.call(this,a,j,this))return k(d,l,"filter",j,e,b),void(g&&a.preventDefault())}else if(m&&(m=m.split(",").some(function(a){if(a=c(l,a.trim(),e))return k(d,a,"filter",j,e,b),!0})))return void(g&&a.preventDefault());f.handle&&!c(l,f.handle,e)||this._prepareDragStart(a,i,j,b)}},_prepareDragStart:function(a,b,c,d){var e,g=this,i=g.el,l=g.options,n=i.ownerDocument;c&&!w&&c.parentNode===i&&(N=a,A=i,w=c,x=w.parentNode,B=w.nextSibling,C=c,L=l.group,J=d,this._lastX=(b||a).clientX,this._lastY=(b||a).clientY,w.style["will-change"]="transform",e=function(){g._disableDelayedDrag(),w.draggable=g.nativeDraggable,h(w,l.chosenClass,!0),g._triggerDragStart(a,b),k(g,A,"choose",w,A,J)},l.ignore.split(",").forEach(function(a){j(w,a.trim(),m)}),f(n,"mouseup",g._onDrop),f(n,"touchend",g._onDrop),f(n,"touchcancel",g._onDrop),f(n,"pointercancel",g._onDrop),f(n,"selectstart",g),l.delay?(f(n,"mouseup",g._disableDelayedDrag),f(n,"touchend",g._disableDelayedDrag),f(n,"touchcancel",g._disableDelayedDrag),f(n,"mousemove",g._disableDelayedDrag),f(n,"touchmove",g._disableDelayedDrag),f(n,"pointermove",g._disableDelayedDrag),g._dragStartTimer=setTimeout(e,l.delay)):e())},_disableDelayedDrag:function(){var a=this.el.ownerDocument;clearTimeout(this._dragStartTimer),g(a,"mouseup",this._disableDelayedDrag),g(a,"touchend",this._disableDelayedDrag),g(a,"touchcancel",this._disableDelayedDrag),g(a,"mousemove",this._disableDelayedDrag),g(a,"touchmove",this._disableDelayedDrag),g(a,"pointermove",this._disableDelayedDrag)},_triggerDragStart:function(a,b){b=b||("touch"==a.pointerType?a:null),b?(N={target:w,clientX:b.clientX,clientY:b.clientY},this._onDragStart(N,"touch")):this.nativeDraggable?(f(w,"dragend",this),f(A,"dragstart",this._onDragStart)):this._onDragStart(N,!0);try{V.selection?setTimeout(function(){V.selection.empty()}):window.getSelection().removeAllRanges()}catch(a){}},_dragStarted:function(){if(A&&w){var b=this.options;h(w,b.ghostClass,!0),h(w,b.dragClass,!1),a.active=this,k(this,A,"start",w,A,J)}else this._nulling()},_emulateDragOver:function(){if(O){if(this._lastX===O.clientX&&this._lastY===O.clientY)return;this._lastX=O.clientX,this._lastY=O.clientY,_||i(y,"display","none");var a=V.elementFromPoint(O.clientX,O.clientY),b=a,c=ea.length;if(b)do{if(b[T]){for(;c--;)ea[c]({clientX:O.clientX,clientY:O.clientY,target:a,rootEl:b});break}a=b}while(b=b.parentNode);_||i(y,"display","")}},_onTouchMove:function(b){if(N){var c=this.options,d=c.fallbackTolerance,e=c.fallbackOffset,f=b.touches?b.touches[0]:b,g=f.clientX-N.clientX+e.x,h=f.clientY-N.clientY+e.y,j=b.touches?"translate3d("+g+"px,"+h+"px,0)":"translate("+g+"px,"+h+"px)";if(!a.active){if(d&&ca(ba(f.clientX-this._lastX),ba(f.clientY-this._lastY))<d)return;this._dragStarted()}this._appendGhost(),P=!0,O=f,i(y,"webkitTransform",j),i(y,"mozTransform",j),i(y,"msTransform",j),i(y,"transform",j),b.preventDefault()}},_appendGhost:function(){if(!y){var a,b=w.getBoundingClientRect(),c=i(w),d=this.options;y=w.cloneNode(!0),h(y,d.ghostClass,!1),h(y,d.fallbackClass,!0),h(y,d.dragClass,!0),i(y,"top",b.top-W(c.marginTop,10)),i(y,"left",b.left-W(c.marginLeft,10)),i(y,"width",b.width),i(y,"height",b.height),i(y,"opacity","0.8"),i(y,"position","fixed"),i(y,"zIndex","100000"),i(y,"pointerEvents","none"),d.fallbackOnBody&&V.body.appendChild(y)||A.appendChild(y),a=y.getBoundingClientRect(),i(y,"width",2*b.width-a.width),i(y,"height",2*b.height-a.height)}},_onDragStart:function(a,b){var c=a.dataTransfer,d=this.options;this._offUpEvents(),L.checkPull(this,this,w,a)&&(z=u(w),z.draggable=!1,z.style["will-change"]="",i(z,"display","none"),h(z,this.options.chosenClass,!1),A.insertBefore(z,w),k(this,A,"clone",w)),h(w,d.dragClass,!0),b?("touch"===b?(f(V,"touchmove",this._onTouchMove),f(V,"touchend",this._onDrop),f(V,"touchcancel",this._onDrop),f(V,"pointermove",this._onTouchMove),f(V,"pointerup",this._onDrop)):(f(V,"mousemove",this._onTouchMove),f(V,"mouseup",this._onDrop)),this._loopId=setInterval(this._emulateDragOver,50)):(c&&(c.effectAllowed="move",d.setData&&d.setData.call(this,c,w)),f(V,"drop",this),setTimeout(this._dragStarted,0))},_onDragOver:function(d){var e,f,g,h,j=this.el,k=this.options,m=k.group,p=a.active,q=L===m,r=!1,s=k.sort;if(void 0!==d.preventDefault&&(d.preventDefault(),!k.dragoverBubble&&d.stopPropagation()),!w.animated&&(P=!0,p&&!k.disabled&&(q?s||(h=!A.contains(w)):M===this||(p.lastPullMode=L.checkPull(this,p,w,d))&&m.checkPut(this,p,w,d))&&(void 0===d.rootEl||d.rootEl===this.el))){if(fa(d,k,this.el),aa)return;if(e=c(d.target,k.draggable,j),f=w.getBoundingClientRect(),M!==this&&(M=this,r=!0),h)return b(p,!0),x=A,void(z||B?A.insertBefore(w,z||B):s||A.appendChild(w));if(0===j.children.length||j.children[0]===y||j===d.target&&o(j,d)){if(0!==j.children.length&&j.children[0]!==y&&j===d.target&&(e=j.lastElementChild),e){if(e.animated)return;g=e.getBoundingClientRect()}b(p,q),l(A,j,w,f,e,g,d)!==!1&&(w.contains(j)||(j.appendChild(w),x=j),this._animate(f,w),e&&this._animate(g,e))}else if(e&&!e.animated&&e!==w&&void 0!==e.parentNode[T]){G!==e&&(G=e,H=i(e),I=i(e.parentNode)),g=e.getBoundingClientRect();var t=g.right-g.left,u=g.bottom-g.top,v=S.test(H.cssFloat+H.display)||"flex"==I.display&&0===I["flex-direction"].indexOf("row"),C=e.offsetWidth>w.offsetWidth,D=e.offsetHeight>w.offsetHeight,E=(v?(d.clientX-g.left)/t:(d.clientY-g.top)/u)>.5,F=e.nextElementSibling,J=!1;if(v){var K=w.offsetTop,N=e.offsetTop;J=K===N?e.previousElementSibling===w&&!C||E&&C:e.previousElementSibling===w||w.previousElementSibling===e?(d.clientY-g.top)/u>.5:N>K}else r||(J=F!==w&&!D||E&&D);var O=l(A,j,w,f,e,g,d,J);O!==!1&&(1!==O&&O!==-1||(J=1===O),aa=!0,setTimeout(n,30),b(p,q),w.contains(j)||(J&&!F?j.appendChild(w):e.parentNode.insertBefore(w,J?F:e)),x=w.parentNode,this._animate(f,w),this._animate(g,e))}}},_animate:function(a,b){var c=this.options.animation;if(c){var d=b.getBoundingClientRect();1===a.nodeType&&(a=a.getBoundingClientRect()),i(b,"transition","none"),i(b,"transform","translate3d("+(a.left-d.left)+"px,"+(a.top-d.top)+"px,0)"),b.offsetWidth,i(b,"transition","all "+c+"ms"),i(b,"transform","translate3d(0,0,0)"),clearTimeout(b.animated),b.animated=setTimeout(function(){i(b,"transition",""),i(b,"transform",""),b.animated=!1},c)}},_offUpEvents:function(){var a=this.el.ownerDocument;g(V,"touchmove",this._onTouchMove),g(V,"pointermove",this._onTouchMove),g(a,"mouseup",this._onDrop),g(a,"touchend",this._onDrop),g(a,"pointerup",this._onDrop),g(a,"touchcancel",this._onDrop),g(a,"pointercancel",this._onDrop),g(a,"selectstart",this)},_onDrop:function(b){var c=this.el,d=this.options;clearInterval(this._loopId),clearInterval(Q.pid),clearTimeout(this._dragStartTimer),g(V,"mousemove",this._onTouchMove),this.nativeDraggable&&(g(V,"drop",this),g(c,"dragstart",this._onDragStart)),this._offUpEvents(),b&&(P&&(b.preventDefault(),!d.dropBubble&&b.stopPropagation()),y&&y.parentNode&&y.parentNode.removeChild(y),A!==x&&"clone"===a.active.lastPullMode||z&&z.parentNode&&z.parentNode.removeChild(z),w&&(this.nativeDraggable&&g(w,"dragend",this),m(w),w.style["will-change"]="",h(w,this.options.ghostClass,!1),h(w,this.options.chosenClass,!1),k(this,A,"unchoose",w,A,J),A!==x?(K=q(w,d.draggable),K>=0&&(k(null,x,"add",w,A,J,K),k(this,A,"remove",w,A,J,K),k(null,x,"sort",w,A,J,K),k(this,A,"sort",w,A,J,K))):w.nextSibling!==B&&(K=q(w,d.draggable),K>=0&&(k(this,A,"update",w,A,J,K),k(this,A,"sort",w,A,J,K))),a.active&&(null!=K&&K!==-1||(K=J),k(this,A,"end",w,A,J,K),this.save()))),this._nulling()},_nulling:function(){A=w=x=y=B=z=C=D=E=N=O=P=K=G=H=M=L=a.active=null,da.forEach(function(a){a.checked=!0}),da.length=0},handleEvent:function(a){switch(a.type){case"drop":case"dragend":this._onDrop(a);break;case"dragover":case"dragenter":w&&(this._onDragOver(a),e(a));break;case"selectstart":a.preventDefault()}},toArray:function(){for(var a,b=[],d=this.el.children,e=0,f=d.length,g=this.options;e<f;e++)a=d[e],c(a,g.draggable,this.el)&&b.push(a.getAttribute(g.dataIdAttr)||p(a));return b},sort:function(a){var b={},d=this.el;this.toArray().forEach(function(a,e){var f=d.children[e];c(f,this.options.draggable,d)&&(b[a]=f)},this),a.forEach(function(a){b[a]&&(d.removeChild(b[a]),d.appendChild(b[a]))})},save:function(){var a=this.options.store;a&&a.set(this)},closest:function(a,b){return c(a,b||this.options.draggable,this.el)},option:function(a,b){var c=this.options;return void 0===b?c[a]:(c[a]=b,void("group"===a&&ga(c)))},destroy:function(){var a=this.el;a[T]=null,g(a,"mousedown",this._onTapStart),g(a,"touchstart",this._onTapStart),g(a,"pointerdown",this._onTapStart),this.nativeDraggable&&(g(a,"dragover",this),g(a,"dragenter",this)),Array.prototype.forEach.call(a.querySelectorAll("[draggable]"),function(a){a.removeAttribute("draggable")}),ea.splice(ea.indexOf(this._onDragOver),1),this._onDrop(),this.el=a=null}},f(V,"touchmove",function(b){a.active&&b.preventDefault()});try{window.addEventListener("test",null,Object.defineProperty({},"passive",{get:function(){Z={capture:!1,passive:!1}}}))}catch(a){}return a.utils={on:f,off:g,css:i,find:j,is:function(a,b){return!!c(a,b,a)},extend:t,throttle:s,closest:c,toggleClass:h,clone:u,index:q},a.create=function(b,c){return new a(b,c)},a.version="1.6.1",a});
\ No newline at end of file
diff --git a/st/iframe/index.html b/st/iframe/index.html
index fcd0898..f2514ab 100644
--- a/st/iframe/index.html
+++ b/st/iframe/index.html
@@ -17,7 +17,7 @@
 
 <!-- Simple List -->
 <div id="simpleList" class="list-group">
-	<div class="list-group-item">This is <a href="http://rubaxa.github.io/Sortable/">Sortable</a></div>
+	<div class="list-group-item">This is <a href="https://rubaxa.github.io/Sortable/">Sortable</a></div>
 	<div class="list-group-item">It works with Bootstrap...</div>
 	<div class="list-group-item">...out of the box.</div>
 	<div class="list-group-item">It has support for touch devices.</div>