fix spaces bug with signs
support commas in signs
added rate limiting to server
removed unneeded code
new sign font (Pixel UniCode)
show sign text while typing it
glPolygonOffset for signs
changed sign key to ` (backtick)
working on kerning and word wrap for signs
added word wrap function
word wrapping on signs
keep text inside block
z-buffer sucks
Shift+Enter to put a newline
bug fix
don't split on hyphens
don't generate polygons for space characters
Merge branch 'master' into exe