Remove opdata_d from StackValue
Replace optype comparision with function
Code cleanup for optype checking
Remove namespace prefix for long code
Remove StackUtils.Equals() extension method
Move more extension functions from StackUtils to StackValue
Update code based on code review comments
Add missing file
Change type checking functions in StackValue to properties
Conditionally disable opdata and opdata_d unification
Minor clean up to make code more readable
Add comments to desribe the hacking used for arraykey representation
Remove StackValue.ToString()
Clean up work
Fix conflicts
Revert opdata_d changes and ArrayKey hack
Revert change in MicroFeatureTests.cs
Merge pull request #1743 from ke-yu/opdata_unify

Code clean up for StackValue