Add make_ufunc to llvm-py and additional fixes.

setup.py

@@ -31,6 +31,7 @@
 
 import sys, os
 from distutils.core import setup, Extension
+import numpy
 
 LLVM_PY_VERSION = '0.7'
 
@@ -100,7 +101,7 @@ def call_setup(llvm_config):
             ('__STDC_CONSTANT_MACROS', None),
             ('__STDC_LIMIT_MACROS', None),
             ('_GNU_SOURCE', None)],
-        include_dirs = [incdir],
+        include_dirs = ['/usr/include', incdir, numpy.get_include()],
         library_dirs = [libdir],
         libraries = std_libs + libs_core,
         extra_objects = objs_core,