code: public function execute(array $arguments) {
  		if (empty($arguments)) throw new \BadFunctionCallException('IsEmpty: No parameters found.');
  		
  		foreach ($arguments as $arg) {
  			if (!empty($arg)) return false;
  		}
  			
  		return true;
  	}
docs: Determines if a value evaluates to empty
  Usage: (empty value)
  Returns: boolean
  (non-PHPdoc)
  @see \eMacros\Runtime\GenericFunction::execute()