New PixiTracker 16Bit and 1Bit

PixiTracker and PixiTracker 1Bit has been updated!
What is new:

• both 16bit and 1bit versions are now available for Android, iOS, Windows, Linux and OSX;
• extended list of supported audio systems: Audiobus, ALSA, JACK, SDL, OSS, DirectSound, MME, ASIO;
• additional audio/gfx settings in the Main Menu -> Preferences -> Audio & Graphics;
• additional background images (Main Menu -> Preferences -> Background);
• now you can play any loaded WAV sound with its original speed on the first note of the 6th octave;
• improved visualizer;
• bugs fixed.