placed version in a separate file (mtools/version.py). setup.py and mtools module will import from that.
added README.md to setup.py long_description and updated CHANGES.md slightly.
added argparse check and dependency with install_requires, added alternative setup import from distutils.
removed dictionary comprehension syntax (only python 2.7 compatible) and use old-style dictionary with tuple pairs.
added ordereddict as dependency for python 2.6.
import OrderedDict from correct package depending on version.
minor comment change.
removed a console output.
updated INSTALL for pip installation.
smaller changes to CHANGES and README.