Fatal error: Uncaught Error: Class "WP_CLI\CommandWithUpgrade" not found in /home/diamebua/beta/releases/20140218040015/vendor/wp-cli/extension-command/src/Plugin_Command.php:45 Stack trace: #0 {main} thrown in /home/diamebua/beta/releases/20140218040015/vendor/wp-cli/extension-command/src/Plugin_Command.php on line 45