new tank desing!

--POWER UPS!

--added: shotgun+ minigun:

shotgun: shots 2 bullets at once

minigun: shots 3 bullets at once + faster recharge

--added rockets:

--while you have rockets on, you can dash by pressing the space bar that can be a very useful way to avoid fast aliens!

ALIENS!

--added: buzzgly + clawripper

buzzglies are anoying insect-like aliens, very fast but weak

clawrippers are big and slow aliens but once you hurt them they will hunt you very faster!

--both are anoying!

/////

--removed: spinntheeth

--triangsquid now has only 1 hp