Bug in the Catenary Component?

Hi David,

Can you have a look at the following threads where there is an odd behaviour with the curves produced by the catenary component. In both cases the direction of the curves swapped to B-->A in the domain PI/2 to 3PI/4.

http://www.grasshopper3d.com/forum/topics/catenary-curve-loft

http://www.grasshopper3d.com/forum/topics/twist-in-loft