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Version 2.1.0 (January 7th 2012)
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* Wrapped in self executing function to be more easily used with loaders like `require.js` or `curl.js` (issue #15)
* Allow event to be cancelled by returning `false` from `onleavestate` handler (issue #13) - WARNING: this breaks backward compatibility for async transitions (you now need to return `StateMachine.ASYNC` instead of `false`)
* Added explicit return values for event methods (issue #12)
* Added support for wildcard events that can be fired 'from' any state (issue #11)
* Added support for no-op events that transition 'to' the same state (issue #5)
* extended custom error callback to handle any exceptions caused by caller provided callbacks
* added custom error callback to override exception when an illegal state transition is attempted (thanks to cboone)
* fixed typos (thanks to cboone)
* fixed issue #4 - ensure before/after event hooks are called even if the event doesn't result in a state change
Version 2.0.0 (August 19th 2011)
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* adding support for asynchronous state transitions (see README) - with lots of qunit tests (see test/async.js).
* consistent arguments for ALL callbacks, first 3 args are ALWAYS event name, from state and to state, followed by whatever arguments the user passed to the original event method.
* added a generic `onchangestate(event,from,to)` callback to detect all state changes with a single function.
* allow callbacks to be declared at creation time (instead of having to attach them afterwards)
* renamed 'hooks' => 'callbacks'
* [read more...](http://codeincomplete.com/posts/2011/8/19/javascript_state_machine_v2/)
Version 1.2.0 (June 21st 2011)
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* allows the same event to transition to different states, depending on the current state (see 'Multiple...' section in README.md)
* [read more...](http://codeincomplete.com/posts/2011/6/21/javascript_state_machine_v1_2_0/)
Version 1.0.0 (June 1st 2011)
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* initial version
* [read more...](http://codeincomplete.com/posts/2011/6/1/javascript_state_machine/)
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