added REDRAW, send CHUNK at end of transmission, don't use KEY for redraw
builder.py uses auth.db for authenticating
builder takes command line args
get_client() helper
added RECORD_HISTORY option to server
minor refactor
vertical shading implemented
trying light sources
work on light sources
lights
tweaks
handles chunk boundaries, but needs work - too slow
light improvements
only dirty neighbors if there are lights
lights
map_alloc takes mask
light controls (ctrl + right click)
persist lights in db
has_lights helper
server / client support for lights