Fixed issue with cookie session storage transtyping
Rewrote most of the README file
Made it clearer how the SDK behaves and what could be considered _lazy authentication_.
Fixed issue with the current URL detector
FastCGI seems to cause strange side-effects with unexpected NULL values when using INPUT_SERVER and INPUT_ENV with the filter_input() and filter_input_array() functions, so we're using a workaround there.
Fixed headers in the README and added more info
Publicly exposed the Dailymotion::getAccessToken() method