Module.__ne__: removed unnecessary definition. (__ne__ automatically calls __eq__)
Module.__ne__: removed unnecessary definition. (__ne__ automatically calls __eq__)

Module.__eq__:
Fixed equality test when compared with None.

TestModule.testEq: new test.

hjanime/VisTrails,celiafish/VisTrails,hjanime/VisTrails,hjanime/VisTrails,minesense/VisTrails,Nikea/VisTrails,hjanime/VisTrails,Nikea/VisTrails,VisTrails/VisTrails,minesense/VisTrails,celiafish/VisTrails,VisTrails/VisTrails,minesense/VisTrails,celiafish/VisTrails,VisTrails/VisTrails,VisTrails/VisTrails,minesense/VisTrails,Nikea/VisTrails,minesense/VisTrails,hjanime/VisTrails,Nikea/VisTrails,celiafish/VisTrails,VisTrails/VisTrails