randomly generate impassable spots
randomly generate basic impassable squares
empty out room innards
break out room class
add minimum room size
fixed under-indexing in append_to_map_array
Add overlap checks to room generation
add sectors file
Merge pull request #8 from ksnavely/2-random-maps

  - Moving focus to character generation
  - This was developed nicely but I don't want to focus too tightly on it right now