- Implemented Waterball and Jupitel Thunder double cast (fixes#907)
* Waterball and Jupitel now won't apply a delay after they have been cast and won't notify the client about the spell until 150ms later, if another skill request is received, it will actually be cast as well
* To prevent exploits this behavior can only be used every 2 seconds
* This allows you to cast a spell after Jupitel that would not have enough range to be cast after knockback
- Finally implemented the official waterball unit behavior
* When casting Waterball, water, deluge and suiton units will be turned into waterball units
* These waterball units are then turned into waterballs one-by-one
* All unit behavior now also applies to waterball, special handling is now solved via db files
* If there are multiple waterball timers active at the same time, they will actually compete for the waterball units
* When waterball does not deal damage (100% resist), it will now cancel, allowing you to act and move again
* If this breaks anything, please notify me
- Mystical Amplification improved (fixes#908)
* Mystical Amplification will now toggle at cast begin rather than cast end
* When Mystical Amplification ends, spell damage will be immediately lower even for ongoing spells
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