Fix a lots of bugs in the newbinding to pass all the tests.

NOTE: debug info has not been implemented yet.

llvm/__init__.py

@@ -1,3 +1,12 @@
+from ._version import get_versions
+__version__ = get_versions()['version']
+del get_versions
+
+
+from llvmpy import extra
+version = extra.get_llvm_version()
+del extra
+
 class Wrapper(object):
     def __init__(self, ptr):
         assert ptr
@@ -9,7 +18,18 @@ class Wrapper(object):
 
 
 def _extract_ptrs(objs):
-    return [x._ptr for x in objs]
+    return [(x._ptr if x is not None else None)
+            for x in objs]
 
 class LLVMException(Exception):
     pass
+
+def test(verbosity=1):
+    """test(verbosity=1) -> TextTestResult
+
+        Run self-test, and return unittest.runner.TextTestResult object.
+        """
+    from llvm.test_llvmpy import run
+
+    return run(verbosity=verbosity)
+