second bug fixed by something you guys changed

Just a quick update. It's still doing weird breakpoint things, but i can
work through that. my stuff is working atm, going to commit finished
bullets shortly
Revert "second bug fixed by something you guys changed"

This reverts commit c1e898780e2da6b5efe46c4e2a11a3d1565ebd9e.
Bullets fall, enemies chase

The vector iterator bug was fixed in one of you guys' commits, so I know
these things to be true. Working on making enemies spawn bullets and we
should be good on that end.