Description: Takes a strip and flips it around.
Author: Kent Mein
Email: mein@cs.umn.edu
Website: http://www.cs.umn.edu/~mein/blender
License: GNU

 * Most of this code is copied from other plugins.
 * Beware: I don't really understand what I am doing here!
 * Colors and Alpha are not modified.
 * There is no IPO support.
 * Fields seem to work, Z buffer doesn't yet.