Fix hashing of llvm type
Allow retrieving argument attributes
Make enum integer constants prints name
Fix GC problem with Module when it is GCed but re-instantiate from GlobalValue.module.
Enable MCJIT
Fix CompareInstruction.predicate
Fix import problem.
Update llvm_array concepts.
Use error message string from BytesIO
Fix win32 build
Add DIBuilder binding
Use if-else instead of try-except for perf reason
fix future import
Fixes a werid case of refct problem
DIDescriptor does not inherit MDNode
Fix py3 str has no buffer interface