Made dateutil a runtime dependency (even though setup still requires it).

lib/SVG/TimeSeries.py

@@ -1,7 +1,8 @@
 #!/usr/bin/env python
 import SVG
 import re
-#requires python date-util from http://labix.org/python-dateutil
+import pkg_resources
+pkg_resources.require("dateutil>=1.1")
 from dateutil.parser import parse
 from dateutil.relativedelta import relativedelta
 from time import mktime

lib/SVG/__init__.py

@@ -724,5 +724,3 @@ class class_dict( object ):
 	def keys( self ):
 		# dir returns a good guess of what attributes might be available
 		return dir( self.__obj__ )
-
-import Plot, TimeSeries	

setup.py

@@ -15,7 +15,7 @@ setup(name = "svg-chart",
 	packages = find_packages('lib'),
 	package_dir = {'':'lib'},
 	install_requires=[
-		# nothing right now
+		'dateutil>=1.1',
 	],
 	license = "MIT",
 	long_description = """\