ADDED: * Allow for debugging messages through `$NUMPOLY_DEBUG` environmental variable. * Numpy functions: `count_nonzero`, `nonzero` (thanks Fredrik Meyer) * Package version number added to `numpoly.__version__`.
CHANGED: * Better py2 support.
REMOVED: * Remove CircleCI cache for py2 (as it is really light).
0.1.12
===========================
FIXED: * Bugfix for edge case in `prod`.
0.1.11
===========================
ADDED: * Support for the "empty set" polynomial: `polynomial([])`.
0.1.10
===========================
CHANGED: * Refactor `monomial`, cleaning it out and catching some subtle bugs.
0.1.9
==========================
CHANGED: * Documentation cleanup.
FIXED: * Small bugfix in `monomial` in how it implicitly handles multiple dimensions.