-> Added methods for determining the value of a curve at a specified frame, extrapolating values outside the curves frame range, and plotting the curve using matplotlib.
-> Added methods for determining the value of a curve at a specified frame, extrapolating values outside the curves frame range, and plotting the curve using matplotlib.

git-svn-id: a3b746cc1383a42926249ed33eaccad697259b1b@21651 896c8824-d3f5-0310-9c61-ac502b9a79dc

blurstudio/cross3d