[FIX] validate number of required arguments

Author: xwm

Classes/Cli/Dispatcher.php

@@ -127,6 +127,12 @@ protected function runCommand($command){
 
 			$method = new ReflectionMethod(get_class($this),$command);
 
+			
+			//check number of required arguments 
+			if($method->getNumberOfRequiredParameters() !== count($args)){			
+				throw new InvalidArgumentException('Wrong number of arguments');
+			}
+			
 			foreach($method->getParameters() as $param){
 
 				if($param->isOptional()){