code: def del(path, raise = true)
        path = '"' + path + '"' if path.include? ' '
        exec 'del ' + path
        true
      rescue Client::RuntimeError => e
        raise e if raise
        false
      end
docs: Delete a remote file
   @param [String] path The remote file to be deleted
   @param [Boolean] raise raise raise Error or just return +false+
   @return [Boolean] true on success