New (failing?) cyclic symmetry number unit tests.
New (failing?) cyclic symmetry number unit tests.

Not sure if 1,2-DimethylBenzene should have same *cyclic* symmetry number as
1,3-DimethylBenzene? Some more documentation (in the docstrings) about what exactly
this cyclic symmetry number is would help

chatelak/RMG-Py,pierrelb/RMG-Py,chatelak/RMG-Py,nickvandewiele/RMG-Py,faribas/RMG-Py,comocheng/RMG-Py,enochd/RMG-Py,enochd/RMG-Py,pierrelb/RMG-Py,nyee/RMG-Py,comocheng/RMG-Py,nyee/RMG-Py,faribas/RMG-Py,nickvandewiele/RMG-Py