[TASK] ContentManipulator refactoring
[TASK] Remove unexecuted early return
[BUGFIX] Use raw array assignments for hook subscribers
[TASK] Error tolerance when reading Grid from non existing template
[TASK] Refactor content detection methods into ContentManipulator
[TASK] Extend tests to cover new code
[DOC] Adjust a comment's indentation
[TASK] Refactor another record manipulation method to ContentManipulator
[TASK] Cleanup of paste behavior
[TASK] Further cleanups in logic of paste/move operations
[TASK] Remove no longer needed patching of child record copies
[TASK] Extend tests to cover ContentProvider method postProcessCommand
[TASK] Cover backtrace resolve method with tests
[BUGFIX] Skip FlexForm DS processing if no Provider is resolved
Merge pull request #263 from NamelessCoder/recordmanipulator

[TASK] Refactor to RecordManipulator and fix record manipulations