Implement heap cycle checker

1. Integrate heap checker to LiveRunner on DebugMode
2. Heap corruption tests
Modify return and rename function from VerifyHeapNonCyclic to IsHeapCyclic
Merge branch 'master' of https://github.com/DynamoDS/Dynamo into newMaster
Refactor heap integrity check into a function
Fix broken testcase
Merge pull request #1516 from junmendoza/newMaster

Implement heap cycle checker