First stab at an Emacs mode
Emacs mode: look for code tracer Python module in load-path
Emacs mode: Fixed trace buffer read-only mode, and made long lines truncate instead of wrapping
Emacs mode: added information about the Emacs mode to the README file
Emacs mode: add Python file's directory to PYTHONPATH before tracing
Emacs mode: post-command-hook must be buffer local!
Emacs mode: refactored creating the output window into a separate function
Emacs mode: re-create the output window when scrolling if it had been destroyed
Emacs mode: removed unnecessary (interactive) calls
Emacs mode: fixed detection of the need to re-create the output buffer window
Merge branch 'emacs-mode'
Modify installation instructions for Emacs mode.