Travis: multiple Python versions enabled.
Travis CI support added.
Bugfix.
pycrypto dependency added.
scrypt installation added.
README.rst improved.
Temporary disabling Travis on Python3
Coveralls enabled.
Travis: MySQL testing added.
Update README.rst
SQLAlchemy dependency added.
Deps added.
Deps updated, MongoDB test enabled.
Coveralls enabled
Update README.rst
Readme updated.