read byte, word, etc

[Skin36]

Your module works, but I added the ability to read byte, word, etc.

[Skin36]

      if type==1:
          read_buffer = ctypes.c_byte()
       elif type==2:
          read_buffer = ctypes.c_short()
       elif type==4:
          read_buffer = ctypes.c_uint()

[MillhioreBT]

@Skin36 this probably interests you PR #11