add branch alias and license to composer.json

fix issue instaclick#20 - sometimes status is NULL

phpcs clean-up

NoSuchDriver reappears in JsonWireProtocol r18145

add Sauce Labs desired capabilities for iOS and Android support

update php docblocks

Missing proxy type

remove obsolete __init__.php file

implement proper autoloader

more backwards compatible with v1.0.0? tested with Selenium server 2.…

…23.1 and 2.25.0