fixes patch based aam builder
finishes patch based aams
adds patch based aam builder test
fixes clm build method
fixes clm object
adds unfinished __srt__
fixes clm __str__
PointCloud.copy, landmark copy.
Copy pointcloud on landmark set

Add tests for this, fix a few pieces of ugly code
Add the trimesh copy function
Copy false on pyramind building
Propagate kwargs through init with channel
Pointless enumerate
Fix bugs in fittingresult base class and add tests
Doc updates in FittingResult
Remove deep copys
Add copy function to images

Copies pixels and landmarks by default
Add copy kwarg to textures and coloured meshes
Add copy methods to trimesh

Also add some tests for it
Add test for pointcloud copy method