[fix issue 79] - Demonstrate how to use filter_var's FILTER_SANITIZE_URL filter.
[fix issue 79] - Demonstrate how to use filter_var's FILTER_SANITIZE_URL filter.

marcj/google-api-php-client,iJanki/google-api-php-client,marcj/google-api-php-client,iJanki/google-api-php-client