Update v3.1.3

Version 3.1.3 contains a new experimental feature that may or may not end up in the game! I Would love to hear your opinions about the new I-frames feature! 

PATCH NOTES 3.1.3 

ADDITION

• Added I-frames (invincibility-frames). When the player is red he is invincible against any attacks. Will try to finetune the time you are invincible.
  ATTENTION: This addition is Experimental and may or may not end up in the final game! 

CHANGES

• Added 1 name to the credits and corrected spelling errors.
• Pressing escape now opens AND CLOSES the pausing menu.
• FPS limiter has changed form a dropdown menu to a Slider.
• Changed saved slimepool color to the same color as the player.

FIXES

• Fixed bug where the difficulty buttons were clickable above the button itself.
• Fixed a bug where a player is forced to stay still for a short time after dashing in place.
• Fixed a bug where a player would move out of a hole while ending a dash in a hole.
• Fixed a bug where after dying the pausemenu couldn't be brought back up.