Remove trailing whitespace.
Update Request to add strategy query parameter.
Update Parser to display strategy with total score.
Update CLI to add url and strategy parameters.
Fix typo in version output.
Update README usage documentation.
Revert url parameter in favor of positional argument.

I had second thoughts and agreed with the original implementation that the
url should be a positional argument and all the others should be optional
parameters.
Update to properly exit when incomplete strategy parameter is passed.
Rearrange options and banner for simpler help output.
Add unit tests.
Bump minor version number due to added functionality.
Update README.md file.
Fix require statement.
Add Rake task for running tests.
Merge pull request #1 from danriti/add-mobile-strategy

Add strategy (desktop/mobile) parameter