Merge pull request #3 from ratajczak/master

Add revision since time to service.json
Merge pull request #4 from ratajczak/master

Add missing GetRevisionsOutput
Merge pull request #5 from ratajczak/master

Add GetDatasetCount method to service.json
Add id property to model for GetRevisionsOutput.
Merge pull request #1 from SilexConsulting/master

Add id property to model for GetRevisionsOutput.