Merge pull request #4 from denibertovic/development

WIP for the CLI tool
Whitespace.
Simplifying manifest.
Adding tox.ini to manifest.
Removing license comments in setup.py (unnecessary).
PEP-8'ing setup.py imports.
Fixing imports.
Fixing spacing.
Cleaning up test dependency command.
Using requirements.txt for development requirements.
Adding a test command, removing testdep.
Fixing syntax error.
Cleaning up setup() slightly.
Removing unnecessary stuffz.
Using py.test for travis.
Removing unnecessary imports.
Style.
Using py.test.
Adding user agent support.
Updating changelog.