add 'sendFile' to WebDriverCommandExecutor
add 'sendFile' to WebDriverCommandExecutor

This is a secret command... not yet included in the offical document.
Also reorder the commands.

cedricalfonsi/php-webdriver,OndraM/php-webdriver,passbolt/passbolt_selenium,OndraM/php-webdriver,cedricalfonsi/php-webdriver,OndraM/php-webdriver,passbolt/passbolt_selenium,OndraM/php-webdriver