Merge branch 'annabranch', remote-tracking branch 'origin' into annabranch
Merge branch 'annabranch', remote-tracking branch 'origin' into annabranch
committing graphspace code, test, and module
Brought graphspace utilities file and tests up to pep8.
GraphSpace tests now pass under Python2; GraphSpace isn't currently supported with Python3, so testing under it is skipped (for now).
Merge branch 'master' into annabranch