[chirp_devel] Kenwood TM-D710G

New driver for Kenwood TM-D710G clone mode, with Py3 compliance. This driver uses the future/bytes() method and MemoryMapBytes call. Special Channels are now placed after 'normal' memories. It also has been scanned for Py3 syntax compliance -     Found an 'exception, e' statement     Checked for: integer divisor, raise syntax, octal constants Nothing can go worng....