SquareSynth 1.5 brings MIDI and more

A nice little update for SquareSynth. Here's what's new:

• 4-bit Triangle wave
• Virtual Midi Desintination
• Midi patch data persists between session
• User assignable sliders on main screen
• One Shot sampling in Recorder
• UI Overhalled, by Keff and I
• New Icons
• Bug fixes