Update #96

• Enabled multithreaded GPU emulator for significant graphics performance increases
• Added more helper functions to midi_8x8.pyxl
• MIDI messages can now keep the console from sleeping
• New Drop Bloq example game
• Implemented higher color precision on Ableton Push RGB pads
• draw_text() now has a default font argument
• Changed draw_text() x_align and y_align defaults to "center" from "left" and "baseline"
• Games are now sorted by title instead of directory in the Open Game dialog
• Fixed draw_text() support for x_align and y_align numeric values
• Fixed recent Firefox being incorrectly detected as mobile
• Fixed excess number character padding in non-monospace fonts