Get it working
create/load both working
Merge pull request #378 from rmcgibbo/bytes

loadCheckpoint/createCheckpoint should use bytes
Fixed a potential divide by zero
Merge pull request #382 from peastman/master

Fixed a potential divide by zero
Fixed some bugs in addExtraParticles() that affect the CHARMM polarizable force field
Merge pull request #383 from peastman/master

Fixed some bugs in addExtraParticles() that affect the CHARMM polarizable force field
typo fix -- thanks @peastman
Merge branch 'master' into checkpoint-reporter
Enhance the test to ensure that the checkpoint can be loaded correctly