Dragging & dropping element outside any dragular container

[thefill]

Scenario that generates error:

1. App uses dragulaService in controller.
2. dragularService "copy" option is set to true.
3. User drags element from container (container with copy option).
4. User drops element outside of any dragular container.

Error generated:

TypeError: Cannot read property 'splice' of undefined
at applyDrop (service.js:57)

Example that reproduces error:

I have successfully reproduced error in this plnkr example

Recommended fix:

Bailing out if drop target for dragularService "drop" event is null solves problem.

Pull request with applied fix:

Here you can find request for merging fix #75

[thefill]

Just created pull request with applied fix.

[guicoma]

Was just wondering if this issue was already fixed, perhaps it could be closed.