added support for global value references and change c backend to actually use its config at runtime
distinguish global arrays from modules
update CHANGELOG
don't delete shared lib on windows
added simple example
more variants of all pairs dist
added julia fractal as test
added some unit tests for negative indexing
added more negative indexing tests
added diffuse test from Numba docs
adding a little meat to the adverb stubs for CUDA
adding more sequence expressions
working on support for enumerate and zip in for loops
added norm test
Added more informative verify errors on ForLoop
added SPH renderer
unified some untyped wrappers
working supporting empty arrays and dtypes for array construction
stopped using explicit DelayUntilTyped, switched to typed_macro
added linspace, need to add support for MRV in C backend