NEW FEATURES:
.pitch now works for laser sound
.editor optimizations
BUG FIXES:
.particle didn't start if set to "all the time" (regression)
.level score and total score were mixed-up
.collide with enemy bullets check-box was always true after reload
.item Force field duration can now be < 1, and was incorrectly saved as an int variable
.bullet orientation was sometimes wrong after a bullet Direction behavior
.cancelling could sometimes stop spawning items