MAGN-1002. Select by category.
Update 0.6.3 documentation

Based on AU docs
updated SortBy to operate on IComparables
made SequenceToFSharpList an extension method
allow unplugged ports in perform all
allow passing functions to python scripts
Add some more example comments to the DynamoNode sample.
MAGN-1036. Implement IComparable on units.
Update 0.6.3 documentation

Based on AU docs
updated SortBy to operate on IComparables
made SequenceToFSharpList an extension method
allow unplugged ports in perform all
allow passing functions to python scripts
python and functions now play nice
python can now seamlessly work with functions
disabled hosting process in sandbox

prevents f# related build issues
Add tests for units comparison.
Merge branch 'master' of github.com:ikeough/Dynamo

Conflicts:
	src/DynamoPython/Converters.cs
MAGN-1070. Add a comment to the example node.