code: function(rawBuffer) {
      if (rawBuffer && this.offset === 0) return this.buffer;
  
      var out = new Buffer(8);
      this.buffer.copy(out, 0, this.offset, this.offset + 8);
      return out;
    }
docs: Returns the int64's 8 bytes in a buffer.
  
  @param {bool} [rawBuffer=false]  If no offset and this is true, return the internal buffer.  Should only be used if
  you're discarding the Int64 afterwards, as it breaks encapsulation.