Version 1.0.x
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* Bug
 * Setting the 'prompt' property of a filter component may cause error result. fixed.
 * Conflict with 'datagrid-cellediting' plugin. fixed.
 * The 'insertRow' method doesn't work properly with filtered rows. fixed.

* Improvement
 * The result of 'getData' method contains the 'filterRows' property value, which represents all the filtered rows.
 * The 'trigger' property is available for the filter options. 
