New for version 1.1
-------------------

-- New Drawbables:  Ellipse, Image, Spline and ClosedSpline
-- Added support for Python Image Library (highly recommended):
    ** Adds support for more file formats
    ** Allows more transformations for images and text
-- Creation of animations now possible (see beginAnimation,
    endAnimation and createFrame in the Canvas documentation)
-- Safer exit conditions on failure of graphics engine
-- _mathMode flag which moves the origin to the lower-left
    corner of screen
-- Canvas uses zoom, rotate, translate and setViewWindow to
    change the portion of the canvas displayed to window
-- _enableEvents flag can be used to turn off event handling