Tested & Implemented: Update metadata
Tested & Implemented: Creating relations
Tested & Implemented: Load relations
Tested & Implemented: Load reverse relations
Implemented & Tested: Removing relations
Tested & Implemented: Load drafts for user
Implemented & Tested: List versions
Tested & Implemented: Raw content delete
Partially implemented and tested deleteContent
Tested & Implemented: Delete content version
Tested & Implemented: Copy content
Tested: Set Status
Tested & Implemented: Creation and loading of locations
Implemented & Tested: Alternative loading methods
Tested & Implemented: Hide & Unhide
Implemented: Set section for subtree
Correctly set main location ID
Tested & Implemented: Change main location ID
Reset database between test cases