add support for getting access to the Granny2 Header
initial commit of support to read ArtToolInfo
Change: gr2lib.core.coreapi.GrannyGetVersion parameters from out -> ref
seperated source files into folder for easier grouping of related classes
make class coreapi and all members, internal -- so they can't be directly access by external code
Add coreapi class, this will contain all of the C++ calls to Granny2.dll
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