Increment version number.
Merge pull request #211 from ryanpetrello/next

Remove some unnecessary cruft and improve test coverage for core.py
os.environ test clean-up and reorder overwrite

fixes issue 197
add comment explaining why the code was reordered
Merge pull request #200 from markmcclain/env_fix

Env fix
Merge branch 'master' into next
Version increment.