Introduced "CodeBlockUtils" class and relevant test cases
Tweaked CodeBlockNodeModel to use the new "CodeBlockUtils" class
Merge branch 'ChocoButter-2Become1' into Sanitizer
Merge branch 'ChocoButter-2Become1' into Sanitizer
Implemented "CodeBlockUtils.GetStatementFromOutputPortIndex" and added test cases
Merge pull request #1435 from Benglin/Sanitizer

Cleanup: Minor CodeBlockNode restructuring