Map

Code added for the map, with the render code moved around a bit.

modified:   cccrawler.py
Bug fixes

Various indetation errors fixed. A name clash with map, resolved by
renaming to ccmap, and added missing call to make_map()

modified:    cccrawler.py
Switch to retro-characters for floors and walls

'#' = wall, '.' = floor

modified:    cccrawler.py