lordnull/rpg_battlemap — pull request #65 by lordnull (2013-10-04 21:20:52+00:00)
Title: Zones on invisible layers are not in the zone list.

An invisiable layer is any layer that is not selected and has the
visiblity flag set to off/false/not truthy. Thus, a visible layer
is either selected or has visible set to true.

This attempts to resolve #27 .