WIP : Seifert and Regions revamped. vogel_move in progress
WIP : Vogel move. Code in seifert_to_braid refactored.
WIP : vogel_move, seifert_to_braid revamped.
Merge pull request #12 from amitjamadagni/week10

WIP : Seifert and Regions revamped. vogel_move in progress