getInstantiationLocation and getSpellingLocation should return Maybe CXFile
Add binding for clang_getExpansionLocation
Fix misuse of ForeignPtrs that caused corruption in code using CXString
debugging
Merge branch 'llvm3.2-fix-cxstring-corruption' of https://github.com/sfowler/LibClang into llvm3.2
Merge branch 'llvm3.2-location-fixes' of https://github.com/sfowler/LibClang into llvm3.2
refixed the test