0.9.5.6

0.9.5.6 was released on March 1, 2016.

Changes

 * Added themes unlockable by leveling up
 * Converted shop-bought themes into two-tone gradient themes
 * Game theme option now defaults to random (with blue theme weighted heavily)
 * Upgraded Unity engine to v5.3.3
 * Fixed graphical bug on Linux
 * Several other bug fixes