new python3 divide

[cynicalight]

error:

  File "xxxx/Gopherus/scripts/FastCGI.py", line 17, in FastCGI
    temp1 = chr(len(data) / 256)
            ^^^^^^^^^^^^^^^^^^^^
TypeError: 'float' object cannot be interpreted as an integer

TO return A integer the code should be replaced by

temp1 = chr(len(data) // 256)