Plug a leak in numba.types' type cache.
Fix an unrelated issue found when running test_interproc in reference leak mode
Draft for another (more complex) strategy
Add tests for numpy_support.from_dtype()
Implement np.timedelta in from_dtype()
More tests for numpy_support, and some refactor
Start work on timedelta64 codegen support
Start support for cross-unit ops
Add NaT support and the - binop
Allow combining of generic (unit-less) timedeltas with other timedeltas
Merge branch 'master' of github.com:numba/numba into timedelta64
Add first code generation tests for timedelta64
Implement timedelta times number
Add multiplication and division tests
Add timedelta / timedelta
Add a test for 0 / 0
Add timedelta == and !=
Fix 2.x legacy div
Add ordered comparisons between timedeltas
Implement unary plus and minus