Some TODOs for converting to SDL. Removed old aim sprite generation.
Cleaned tests.
Replaced QtGui with SDL2.
PlayingMode now works in SDL.
Turned class PlayingMode to Game, not Mode.
Quit and switching to the next level.
Kind of intermission screen.
Displaying message using TTF.
Pixel font from Dwarf Fortress.
Unified XPM loader.
Printing text using pixel font.
Fixed next level loading bug.
Multiline text.
Hidden cursor.
Refactored text output routine.
Centered text.
Text at the center of the screen.
Delayed intermission screen, about 1 sec.
Fade in for game state.
Counter class for fading.