Set default conversation algorithm for libsamplerate to Fast Sinc (3), thanks fraggle!
Add quick reverse key
Closes https://github.com/fabiangreffrath/crispy-doom/issues/11
prevent overriding demos by adding a file name suffix
Closes https://github.com/fabiangreffrath/crispy-doom/issues/10
entering menus while recording demos does not desync
Closes https://github.com/fabiangreffrath/crispy-doom/issues/7
Support inverted mouse