typo fix in XformRotation4 (see http://python.rhino3d.com/threads/1005-Minor-Error-Transformation.py-Typo)
Added AddSweep1 and AddSweep2 functions
Merge pull request #86 from hstehling/master

Fixed typo: property called as method in CurveRadius
Fix case in GetObjectGrips where no grips are selected. See http://python.rhino3d.com/threads/1029-Bug-rs.GetObjectGrips(-preselect-True) for sample
adjusted LayerNames function to return full paths since this is what RhinoScript does
fixed bug in AddPipe where a subcurve was accidentally used in the case of polycurves
added minimum/maximum parameters to RealBox
added optional 'default' parameter to ListBox
return None when a user cancels from StringBox
Added optional segment_index parameter to IsEllipse. Fixes #90
Fixed PointCloudCount function which was calling old property name which has changed
Adjusted layer functions to favor the use of FullPath over the short name. Beginning to think that we should really force FullPAth for all rhinoscriptsyntax layer functions so we don't end up with the mess that the RhinoScripters are complaining about.
added toolbar module to rhinoscriptsyntax
majority of toolbar modules functions completed
Fixed DeleteBlock function based on Martin's find/fix (http://python.rhino3d.com/threads/1064-Bug-Delete-Block)
Fixed MeshPolyline to work with non-planar polylines
Insersection functions should return None instead of an empty list when no intersections are found. Fixes #91
Added filter support for extrusion objects.
Added new optional parameters to GetObjects in order to match RhinoScript functionality
Added PullCurve function
Added PointCloudHasHiddenPoints, PointCloudHasPointColors, PointCloudHidePoints, PointCloudPointColors