Add cloning, different filtering, rejecting and a lot more...

Add clone function
Add clonedeep (recursive)
Add clonedeep2 (non-recursive)
Add object matching and property matching for filter, reject and
find_index functions.
Add set_diff, set_symmetric_diff functions
Export set_difference, and set_symmetric_difference
Fix pull function wasn't exported
Add delay function
Add splice, remove_at functions
Add arguments support for `invoke`; Change `set` signature