Add 3 functions of List.
Merge branch 'CrossFade' of https://github.com/Benglin/Dynamo into CrossFade
Merge branch 'CrossFade' of https://github.com/Benglin/Dynamo into CrossFade
Migrate the Arc by Center Node
Merge branch 'CrossFade' of https://github.com/Benglin/Dynamo into CrossFade
added VarArg method info to VM and Importer
added VarArg node creation in graph UI
Fix MAGN-1342: custom node not evaluated in new session
Merge remote-tracking branch 'upstream/ChocoButter-2Become1' into ChocoButter-2Become1
Migrate the rest of List nodes
Suupport ArbitraryDimensionArrayAttribute for C# parameter
Fix MAGN-1356: argument 'this' should be changed to class name with lower case
Merge remote-tracking branch 'upstream/ChocoButter-2Become1' into ChocoButter-2Become1
Merge branch 'CrossFade' of https://github.com/Benglin/Dynamo into CrossFade

Conflicts:
	src/Engine/ProtoCore/ExtendedLibraries/FunctionObject.ds
Merge pull request #1147 from ke-yu/ChocoButter-2Become1

Fix MAGN-1342: custom node not evaluated in new session
Merge pull request #1146 from DynamoDS/ChocoButter2B1-VarArgs

VarArg methods create VariableInputNode instances in graph
fixed missing output in python script from string
implemented Min, Max, and Sort By Key
added some docs for DSVarArgFunction
Merge branch 'CrossFade' of https://github.com/Benglin/Dynamo into CrossFade