ooici/pyon — pull request #479 by pkediyal (2014-03-03 11:51:48+00:00)
Title: CIDEVSTC-194 : add type and persisted version info

tests described in
https://confluence.oceanobservatories.org/display/CIDev/M156+Schema+Versioning

caution: related ion-definition Pull Request https://github.com/ooici/ion-definitions/pull/506 needs to go in first