fixed "teleport a random zombie" teleporting ALL zombies
weapon altering effects will be rejected if one isin progress, such and swapping to a new weapon you received
mystery box moving effect SHOULD now end when its meant to
added 4 new effects
added limiters to some causes and effects to filter out some that will have no effect, such as "when a gumball is eaten" on a map with no gum machine, or door related ones when no doors currently exist or all are purchased

fixed weapon altering effects breaking if player get an effect to pap gun while gun is already paped
added no repeats option - every unique combo only appears once
added 3 new effects
the same cause OR effect will no longer happen 2 rounds in a row
mystery box moving effect no longer stacks if triggered multiple times, causing box to move every time used until cleared