-r requirements.txt
pep8==1.6.2
coverage==4.0
mock==1.3.0
pytest==3.0.1
pytest-pep8==1.0.5
pytest-cov==2.2.1
pytest-mock==1.5.0
cov-core==1.15.0
unittest2==1.1.0; python_version < '2.7'
beautifulsoup4==4.5.3

-r requirements.txt
pep8==1.7.0
coverage==4.3.4
mock==1.3.0
pytest==3.0.7
pytest-pep8==1.0.6
pytest-cov==2.4.0
pytest-mock==1.5.0
cov-core==1.15.0
unittest2==1.1.0; python_version < '2.7'
beautifulsoup4==4.5.3

Update test dependencies to latest versions.
Update test dependencies to latest versions.
