Lock surfaces properly when we have to (fixes crash under
    Windows 98)

0.0.2 (2005-09-13):
    Remove temporary MIDI files generated by sound code.
    Fix sound not playing at the right volume
    Allow alt-tab away while running in fullscreen under Windows
    Add second configuration file (chocolate-doom.cfg) to allow 
        chocolate-doom specific settings.
    Fix switches not changing in Ultimate Doom

0.0.1 (2005-09-07):
    First beta release