Re-tabbing `composer.json`...
Now requiring an explicit version of Klein
Updating the autoloader to use PSR-4.
Also introducing an `autoload-dev` section, so we can split out our
tests namespace for dev requirements only
Removing the unnecessary manual tests autoloader
registration in the test bootstrap, as its now being handled by Composer
Fixing some bad tests
Indentation fix
Adding a branch alias for the v2 release of Paulus
Adding a `.gitattributes` file for reducing the
distro-version of the library
Merge pull request #11 from Rican7/feature/new-composer-steez

Feature - Updating Composer schema