Merge branch 'master' of https://github.com/DynamoDS/Dynamo into MAGN3564
Change the default number format from 0.000(f3) to 0.0000 (f4) as requested in MAGN3564
fixed groupby not working when keys are floats
Marked language test cases as failing and logged defects
Merge pull request #2280 from aparajit-pratap/dynamoCurrent

Marked language test cases as failing and logged defects
Merge pull request #2290 from junmendoza/updatetestcases

Update status for failing language testcases
Added UnitTests category to test cases from various projects.

As a part of my task MAGN-4263, I have added Category UnitTests.
RevitNodeTests project yet to add these categories.
THere was one build error because of bracket missing in ListTests.cs.

I forgot to build after making changes, sorry for this.
Merge pull request #2258 from Steell/group-by-fix

Fix GroupByKey not working when KeySelector returns floats: MAGN-4348
Merge pull request #2291 from riteshchandawar/CategoryUnitTests

Added UnitTests category to test cases from various projects.
Merge pull request #2220 from theanh0512/MAGN3564

MAGN-3564 Change Default Number Format
Search first graphnode from graphnodes in scope

1. Fix function that searches first graphnode to use the current scope
2. Add temporary testcase - this needs to be as short as possible