Bug fix #22, return a tuple from a function.
Merge branch 'emacs-mode'
Modify installation instructions for Emacs mode.
Fixes #24 by setting layouts.
Fixes #11 by adding an attribute for the turtle width.
Implement pen colour and width in the PdfTurtle class.
Also remove the path technique. Use round line caps to avoid gaps.
Increment version to 2.5.
Bug fix #27, adjust to changes in PyDev 2.7.5.
Bug fix #26, multiline breaks exception display.
Bug fix #25, support fill in PDF turtle.
Increment version number.
Bug fix #28, support Python 3.3.
Merge donkirkby/master