Add support for tooltips and cleanup some parsing code
Update status of tooltip support
Fix missing Tooltips folder and class file
Consolidate code and fix unit tests and test scripts
Add unit test for tooltip string creation
Add and update docstrings on various classes
Consolidate some code into TooltipProvider
Initial commit of convenience script for launching MonoDevelop
Remove empty/bogus tests
Don't return error message when node doesn't have docstring
Move tooltip creation code for EnumMember instances