Test travis.
Try no-default flag during install.
Merged upstream.
Merge remote-tracking branch 'kyleabeauchamp/charges' into charges
Raise error if iupac name is not recognized.
Exception thrown when IUPAC unparseable.
Merge branch 'charges' of https://github.com/bas-rustenburg/gaff2xml into charges
Exception thrown when SMILES unparseable.
ValueError instead of Exception for SMILES/IUPAC.
Updated deprecated print.
Use deepcopy of molecules.
Updated docstring generate_conformers.
Use OpenEye classes to make copy.
Added conformer and charge generation.
Fixed typo in absolute_charges.
Corrected  docstring for `minimize_conformers`.
Absolute charges are actually a separate function.
Minimize now returns molecules instead of szybki results.
Removed example class from mmtools.
Debugging extended_conformation generation.
Merge pull request #1 from bas-rustenburg/charges

[WIP] Add support for charge generation using OpenEye Szybki