conversion between box vectors and length/alpha/beta/gamma
finish the unitcell stuff. all of the trajectory formats should now be loading the unitcell information correctly from disk
added the new pdb file that I added to the test suite
PDB cryst. records are in angstroms, so we need to convert to nm
need to make sure the box information is being saved to disk in the save_X functions
improve testing support for recarray equality
added test. found bug. squashed bug.
fix unqualified function name
Merge pull request #39 from rmcgibbo/xml

Reader for OpenMM XML (Serialized State)
partway through implementing kyles changes
removed recarrays
merged
Merge pull request #38 from rmcgibbo/unitcell

Doing the right thing with box information
some flake8 fixes
Working Rg code
Added angle.py
added contact
docstring update in contact
Preliminary Numpy implementation of dihedral
Added n_residues property.  Docstrings to dihedral.py