code: boolean setToken(char token[], byte tokenstring[])
      {
          if (token != null && tokenstring != null && token.length > 0 &&
              tokenstring.length > 0) {
              m_tokentable_ = token;
              m_tokenstring_ = tokenstring;
              return true;
          }
          return false;
      }
docs: Sets the token data
  @param token array of tokens
  @param tokenstring array of string values of the tokens
  @return false if there is a data error