More Visible Stuff

• Move black/white "horizon" to indicate loading progress in quote canvas
• Made level 5 of the demo smaller and easier
• Changed the tutorial level a bit to teach creating below and added a central yin yang composed of cubes
• Added settings to all menus (not just the title menu)

Less Visible Stuff

• Tightened up jump mechanics (don't hitch when falling on pickups, can jump when slightly off the edge, etc.)
• Improved a bit of sound stuff and fixed a bug that allowed lines to be playing when they aren't supposed to
• Restore the use of the mouse for all menus
• Redid a few levels not in the demo