Fix function redefinition

1. Fix the routine that detects the removed functions and pass them to
the changeset applier
2. Added testcases for modifying the arguments of a function
Fix function redefinition - function name check

1. Include functionname in equality check
2. Added function rename testcases
Refactor function
Merge branch 'master' of https://github.com/DynamoDS/Dynamo into defectfix
Remove unbound variable warnings

Remove unbound variable warnings that were resolved at runtime
Disabling autocomplete in string and comment contexts
Update sample library UI.
Merge branch 'master' of https://github.com/DynamoDS/Dynamo into contextualCompletion
resolved merge conflicts
address review comments
Added tests for code completion context parsers
Add AppVersion field
EvaluationCompleted event issue
Do not use the Dynamo property sheet.
Copy references into local extern and link.
Resolve conflicts
Merge branch 'master' of https://github.com/DynamoDS/Dynamo into defectfix
Merge branch 'master' of https://github.com/DynamoDS/Dynamo into contextualCompletion
Add testcase
addressed review comments