Threadit

Added so ParceIt dont crash if you send in empty list

Added join argument to ParceIT.result() so the method can return one list instead of a list of lists.

Bugfix for ParceIT function.

v.1.2.0
Added kwargs to ParceIT.

Added Parsit, a model where you can send in a dunction and a list and then do threaded operations.

v.1.0.1
Added timeout for result.

v.1.0.0
Changed so functions no longer needs a wrapper.

v.0.2.0
Added support for kwargs.