instead of importing division from future we simply use int() to cast
floats to integers.
nosetests: on python2.7 passes
python2 test_ago.py: passes
python3 test_ago.py: passes
TODO: Does nosetests work with python3.x?
branch 'default'
changed ago.py
changed test_ago.py
and chance of introducing errors, by slicing the the units tuple
by the percision. Removed __main__ because nosetest --with-coverage
was flagging it. It was un-nessasary.
Special thanks to Eric Rasmussen who inspired this commit.
* corrected all tests and documentation to reflect new keyword argument names
* changed example _tense strings to use {} instead of {0}
* cleaned up docstrings
