[WIP] Implement instancecheck.#167

Merged

tonyroberts merged 4 commits intopythonnet:developfrom

filmor:patch-interface-isinstance

Mar 2, 2016

Commits on Feb 26, 2016

Implement __instancecheck__.
filmor
committed

Commits on Feb 29, 2016

Use Int32 for the flags, write a complete empty struct at the end.
filmor
committed

Commits on Mar 2, 2016