[Bf-python] Ipo/Curve modules; stages 1 and 2 files uploaded

[Ken Hughes]

Ok, the first two set of patches are on the patch tracker:

https://projects.blender.org/tracker/index.php?func=detail&aid=2792&group_id=9&atid=127
https://projects.blender.org/tracker/index.php?func=detail&aid=2801&group_id=9&atid=127

First stage isn't too interesting, but it is required for the
second stage.

On to Ipo module changes....

Ken