v1.0.5 - Fix AMD dependencies

Fix AMD dependencies for RequireJS package/file

v1.0.4 - Bind `touchcancel` event

• Bind touchcancel event. Fixed #18

v1.0.3 - Fix IE8 drag image bug

• Fixed IE8 bug, dragging images. Fixed #22
• add ontouchcancel. For #18

v1.0.2 - AMD support

• Added AMD support. Fixed #6
• component.json -> bower.json

v1.0.1 - Refactor isElement

Refactor isElement

v1.0.0 - First major release

enable, disable methods; instance argument first