Implemented cooldown/stamina cost for skill shot and cleaned up code to separate user input from player update
added powerups
Added traps and powerups, improved progress bars
test
Merge branch 'josh' into developer
added start of powerup display
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Merge branch 'developer' into josh
Added active powerup display to the gui
added player directional facing, melee and aura attack hitboxes
Added chaser/sniper attack