symphonycms/symphony-2 — pull request #1587 by designermonkey (2012-12-28 00:29:56+00:00)
Title: Add datasource negation for SectionDatasource and AuthorDatasource

I got fed up with having to customise datasources to do this for a single parameter on the frontend, so I added a simple Datasource Negation.

Hope you guys like it :D