Moar Zer0

People complained that the number 0 looks exactly the same in X-Com as the letter O, which interfered with their stat strings. I thought it was rather inelegant, so I modified the font to make the 0 character look different. I went with the classical "diagonal strike" 0, like for example the Commodore C-64 font had.

This mod contains no ruleset (just graphics), but otherwise should be installed and enabled like any other mod.