code: function _concat(buffOne, buffTwo) {
    if (!buffOne) return buffTwo;
    if (!buffTwo) return buffOne;
  
    let newLength = buffOne.length + buffTwo.length;
    return Buffer.concat([buffOne, buffTwo], newLength);
  }
docs: Combines two buffers
  
  @param {Object} [buffOne] First buffer object
  @param {Object} [buffTwo] Second buffer object
  @return {Object} Combined buffer object