======os.timedexecute=====

The [[lua_scripting|Lua]] function 'os.timedexecute' runs an external program with a time limit

It takes three parameters:
  - The program/command line to execute
  - The time to wait for completion (in seconds). If this time expires, the program is terminated
  - Boolean value whether the command window should be shown or not

The function returns two values. The first is a table the Exit code from the process, the second is the Error code from the attempt to launch the program