Unstable Version 0.5.18.1

Bug Fixes

 * Fixed bug with XP system not awarding XP for defeating enemies. No XP is awarded however if an enemy destroys itself.
 * Fixed bugs with general main game progression.
 * Fixed multiple crash bugs.

Known Issues

 * Depth of Field has been temporarily disabled due to a Unity issue with DirectX 10 graphics cards.
 * Full screen does not work properly (requires us to implement a Unity update to fix this).
 * The waypoint marker for the Solar Generator doesn't disappear once it's been collected.
 * The Delivery Cannon shouldn’t open up when attached to a moving Tech.