Adding docstrings and error check to fix #471
Merge pull request #475 from darribas/fix471

Adding docstrings and error check to fix #471
redefining w.remap_ids to take only a single arg
Merge pull request #476 from sjsrey/e473

redefining w.remap_ids to take only a single arg
turning off spreg tests for sprints

will add ticket to undo this after sprints
proper syntax