Only set timestamps if timestamp is in pivot on existing pivots.
Merge branch '4.0'
Added tests for reset and image input to formBuilder.
Merge pull request #1643 from stevenklar/4.0

Added tests for reset and image input to formBuilder.
Work on tasks, groups, and uploads in remote component.
Fix bug in query builder for caching. Fixes #1640.
Merge branch '4.0'
Add option to skip detach on sync.
Merge branch '4.0'
Fix import on PhpSecLib.
Fix a bug with selecting columns when accessing many to many relation.
Merge branch '4.0'
fix bug in belongs to many pagination.
Merge branch '4.0'
Added default value option for yield method.
Merge branch '4.0'
Update change log.
Merge branch '4.0'
Work on remote connection interface and implementation.
Fix typo.