Use ltype shorthand to create NULL constant
Issue appropriate error message for unsupported object comparisons
Simplify resolving of the type graph
Distinguish between expression and statement nodes
Disable raise statement for now
Add invariant option to temporary loads
Fix TBAA metadata load issue
Merge pull request #81 from timo/patch-1

Fixed f8 -> float64, instead of f8 -> float32
Fix-up the string parsers for jit a bit.
Small changes.
Comment out printing of function.
Make filter2d example self-contained.
Mention dependency on nose and github URL for numba.
Remove dict comprehension for py2.6
Make meta conditional in control flow
Fix reference to ctypes.c_ssize_t for py2.6
Remove dead import
Remove traceback from warning message if meta is not present
Fix complex abs rounding test fp precision
update setup.py to allow Python 2.6