v0.5.0: Merge pull request #50 from weitzner/master

Release 0.5.0

v0.4.1

Merge pull request #45 from weitzner/master

including h5py as a requirement

v0.4.0

Bidentate and network placement working, HDF5 data store.

v0.3.2: Merge pull request #18 from weitzner/master

Infrastructure updates

Complete support for bidentate hydrogen bond hashing and placement

Merge pull request #17 from weitzner/master

Bidentate placement and tests