Nosetests verbosity added in tox.ini

It is better to see how tests passed with nosetests verbosity=2.
typos
Merge pull request #33 from joernhees/patch-1

typos / grammar in readme and project description
Bump version for setup.py
Merge pull request #32 from skudriashev/tox-nose-command

Nosetests verbosity added in tox.ini