function destroy () {
  var index = exports.instances.indexOf(this);
  if (index !== -1) {
    exports.instances.splice(index, 1);
    return true;
  } else {
    return false;
  }
}
RLP Decoding based on: {@link https://github.com/ethereum/wiki/wiki/%5BEnglish%5D-RLP|RLP}
@param {Buffer,String,Integer,Array} data - will be converted to buffer
@returns {Array} - returns decode Array of Buffers containg the original message