Merge pull request #220 from stevendgonzales/master

pep8 fix and clean up of persistence method
Update changelog
removing boneheaded validation work
Merge branch 'master' of github.com:zinic/meniscus
Merge pull request #231 from zinic/master

removing boneheaded validation work
Merge remote-tracking branch 'upstream/master'
removing boneheaded validation work
Merge pull request #232 from zinic/master

removing boneheaded validation work
Merge remote-tracking branch 'upstream/master'