draggable

Breaking Changes from version 0.1.3

• remove KXDraggableBehavior.drag_context property in https://github.com/kivy-garden/draggable/pull/17
• rename on_drag_success -> on_drag_succeed in https://github.com/kivy-garden/draggable/pull/18
• replace DragContext.state with KXDraggableBehavior.drag_state in https://github.com/kivy-garden/draggable/pull/19
• None is no longer a valid argument for ongoing_drags() in https://github.com/kivy-garden/draggable/pull/20
• rename drag_start_from_others_touch() -> start_dragging_from_others_touch() in https://github.com/kivy-garden/draggable/pull/21
• adapt to asynckivy 0.6.0 in https://github.com/kivy-garden/draggable/pull/26