First feature and bugfix update

Bugfixes:

• Holes are hurting the player each time they fall into them
• enemies and objects are not longer hookable when they're in falling or dieing animation
• Highscore is resetting now each time when the player starts a new game

Features:

• Added global highscore system
• Added some post processing
• Added map of the current level in pause menu
• Added way to remove all hooks in case of a softlock