Use dynamic to call overloads for numbers or units.
Make round,ceiling,floor,etc. use dynamic.
Add revit watch handler.
Implement all methods in Revit watch handler because dynamic interface inheritance is broken.
Move IWatchHandler to separate file.
Merge branch 'master' of github.com:DynamoDS/Dynamo
Add notes to watch. Fix tag drawing.
Make multiplication of units and number commutative.
Remove division of number and units.
Convert sort to use IComparable.
fixed missing output in python script from string
implemented Min, Max, and Sort By Key
added some docs for DSVarArgFunction
Apply hack for revit host unit conversion.
Improvements to length regexes to support no leading zero and more decimal places.
Refactor measure converter.
Use ReferenceEqualityComparer as comparer for FFI's CLFObjectMap
More massaging units regexes.
Synchronize preferences and units manager during controller construction.
Formatting fix for watch tags.