level 9 boss better, new music

-level 9 eel boss should be tougher, more interesting fight now.
-level 7 dragon boss sfx are in.
-choppa papa cinematic music is in.
-chain rope does not play hurt sound constantly, only after a certain time.
-clamp squid sound volume has been lowered.
-armored fish behavior tightened up a little.
-level design around stinger improved in level 7.
-fixed bug in trying to grapple quickly in a row, and not being able to.