+2015-02-21
+ * added 1%, 2% and 5% to volume controls for sound and music settings
+
+2015-02-14
+ * fixed bug with editor border element not adjusted after resizing level
+ * changed unused playfield from "default" to "empty" after loading level
+ * increased number of undo/redo steps in level editor from 10 to 64
+
2015-02-13
* added zoom functionality for playfield drawing area to level editor
(use left, right and middle mouse buttons on new "zoom" toolbox button