Lots more docstring formatting.
start of a menu widget
added a note to self
Make legend less hacky looking, with a "cute" math expression.
added origin support for composite images
Removing redundant cla() method. (Thanks Tony Yu).
Fix bug: [ 1978629 ] scale documentation missing/incorrect for log
Fix bug: [ 1994535 ] still missing lines on graph with svn (r 5548).
Reduce size of inheritance diagrams.
removed some debug prints
