Merge branch 'master' of https://github.com/calpath/model-objects
Merge branch 'master' of https://github.com/calpath/model-objects
Added vds_id to PeMSDatum in xsd schema and updated the model object accordingly
Merge branch 'master' of https://github.com/calpath/model-objects
Merge pull request #71 from gunesder/master

Setters for PeMS measurements