Reimplemented FunctionAlreadyExists and usage (Exceptions are not iterable in Python 3)
Reimplemented FunctionAlreadyExists and usage (Exceptions are not iterable in Python 3)

llvmpy/llvmpy,llvmpy/llvmpy,llvmpy/llvmpy,llvmpy/llvmpy,llvmpy/llvmpy,llvmpy/llvmpy