Optional argument for dealing with complex arrays stored in netcdf files.
Merge remote-tracking branch 'mpmaster/master'
 Code cleanup
Merge remote-tracking branch 'mpmaster/master'
I have no idea what I'm doing
Substitution of functional groups
Minor clean up.
 objects for DFPT calculations
Merge remote-tracking branch 'mpmaster/master'
Basic working version of nwchem input file generator
Refactor nwcheminput module.
Add to_from dict for nwchemio.
Make MwTask much more friendly and doc.
More refactoring of nwchem.
Basic output file parsing.
Refactor nwchem tests to proper test module.
Fix enumlib.
convert SubstitutionTransformation._species_map to strings in to_dict for json
compatibility
Merge branch 'master' of github.com:materialsproject/pymatgen
Convert all units to eV. Add parsing for thermal freq corrections.