Call kill command using an absolute path. Also, update syntax and status codes.
Call kill command using an absolute path. Also, update syntax and status codes.

From kill manual page:
Your shell (command line interpreter) may have a built-in kill command.  You may need  to  run  the  command  described  here  as /bin/kill to solve the conflict.

kamisama/Cake-Resque,voycey/Cake-Resque,mfn/Cake-Resque,jbourassa/Cake-Resque,mfn/Cake-Resque,manierim/Cake-Resque,wa0x6e/Cake-Resque,kamisama/Cake-Resque,voycey/Cake-Resque,wa0x6e/Cake-Resque,manierim/Cake-Resque,jbourassa/Cake-Resque