Merge pull request #67 from gengo/BUG-904-fix-closing-session

BUG-904 fix closing session
Change import formatting
Fix pep8
New versioning format
Fix pep8
Add version file to package itself
Revert to lowercase name
Add cover to ignore
Merge pull request #68 from hermanschaaf/master

Improve versioning to be more in line with the Python community
Merge branch 'master' into BUG-904-fix-closing-session