Kill the script when starting

The script was hanging. Seemed to happen after adding logging.

pkill -f to kill it when starting it again. "There can only be one".

Author: isaaclw

mythpywii.conf

@@ -8,6 +8,7 @@ start on (local-filesystems
 stop on stopping dbus
 
 script
+    pkill -f /usr/local/bin/myth_py_wii.py
     bluetooth_devices=$(lsusb |
         grep "Broadcom Corp. BCM2046B1 USB 2.0 Hub" |
         cut -d ':' -f 1 |