Bashteroids Update! Version 1.1

Changelog:

*New enemy: Split Bee - spits a split shot at the player

*New Asteroid: Phase-teroid - exists in multiple states, sometimes not in this one

*Fixed text on menu item, Time Attack appropriately labeled as open
*Changed anomaly from purple to yellow, to make it seem more threatening, new sound effects
*Modified anomaly behavior - now reacts to being hit with lasers
*Lasers destroyed by anomaly add to total score
*Modified appearance of shield pick-up item, made to stand out more from background