Submit method PR requested changes
Submit method PR requested changes

Requested Changes:
- https://github.com/caolan/highland/pull/672#discussion_r261927055
- https://github.com/caolan/highland/pull/672#discussion_r261927200
- https://github.com/caolan/highland/pull/672#discussion_r261927374

caolan/highland,caolan/highland,vqvu/highland,vqvu/highland