[W.I.P.] Curve Tools plugin

[micheus]

I have been working a little bit more on it since last month, so as for your happiness Dimitri I hope I can do that until next month.

I found a lot of minor issues and new bugs that are very annoying to me - I don't want you guys getting the same problem too.

In the meantime here is another command added: Wrap - used to wrap a Wings3D object or another curve along the curve.

As a side note, it's not optimized and a dense mesh can slow down the preview, but at least we have a way to bend long objects in a easier way.