Align Pivot To Knot | Vertex

Supported objects:
Line, Spline Shapes, Editable Poly, Editable Mesh, Editable_Patch
Supported modifiers:
Edit Spline and other modifiers whose first sub-object level is Vertex mode.
After you install this macro you can find it under the category "bgaTools"
>>> update 1.1 - undo and redrawing are turned off
>>> update 1.2 - Depending on Sub-Object level pivot will be placed at center of sub-selection (vertex , knot, segment, edge and face). If more then one sub-element is selected then location of pivot will be at average center or at object level mode in bounding box center.
>>> update 1.5 - Added option for placing pivot at top, center and buttom.
NOTE: Works with any object type (of course selection count must be 1).
Also in case of group: Open group, select group helper, run this macro and close group after.