Updated CHANGELOG re:styling improvements. Issue #16

Author: morgant

CHANGELOG

@@ -1,6 +1,10 @@
 0.9.2 -> 0.9.3
 Fix RestartSystem()/Done() to correctly restart into other window managers
 Add RoundedScreenCorners configuration
+Changed default font size to 12px
+Changed default scroll bar width/height to 16px
+Changed default menu bar height to 20px
+More accurate sizing & styling of window title bars & controls, scroll bars, and resize handle
 
 0.9.1 -> 0.9.2
 Change sprintf() & strcat() to snprintf()