Changed environments and setuped numpy for pypy
Added equality operator for primitives and terminals
Merge branch 'gp-tree-equality' into unit-tests
Modified the tests to account for NumPyPy not pickling ndarrays
Changed pip install to setup.py for 2to3
Added the where argument for python3
Made the if a one liner
Readded setup.py ...
Merge branch 'unit-tests'