Gestures Change History
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3.5.0
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* Chrome fixed ontouchstart in window bug. No need to caveat
the touch test for Chrome 6+.
3.4.1
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* Fixed preventDefault:true for flick
3.4.0
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* For flick, reset start time on first move, to handle
case where user mousesdown/touchstarts but then doesn't
move their finger for 5s leading to inaccurate velocity.
3.3.0
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* Use touches current target if already set, as opposed
to over-riding it with touch current target
* Flick "y" axis param now handled correctly.
3.2.0
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* New beta component