Camera Plane qL SOP: fixed camera path parameter type
deformers ('points' type)
curves related OPs ('prims' type)
Attrib Shape / Attrib Builder ('everything' type)
other OPs
Merged branch 'AddSelector':
- added select/reselect capabilities to whenever applicable (mostly)
- needs further testing

http://www.sidefx.com/docs/houdini13.0/hom/hou/SopNodeType#addSelector
Distance qL SOP: minor UI changes (guide, etc)
Vector qL SOP: "P" wasn't accepted as output, fixed
Merged work:
- addSelector(): added select/reselect capabilities to a bunch of OPs
- other minor changes and fixes