brandonhsiao/rgkit — pull request #42 by Lucretiel (2013-11-20 20:17:38+00:00)
Title: chore(minor style and speed optimizations to rg.py)

`loc_types` now returns a set instead of a list
`_locs_around` is easier to read
`locs_around` has fewer set/list reassignents.
Removed operator import for `_locs_around`