Most of the programs written for useful, mundane tasks will rely on 4 functions / programs to handle their tasks. This is done so the same subroutine is not written for EACH program, when it could be written only one time and shared by the main programs over and over again. SETUP 2019:       Install the Homechicken Software-Software Developers' Kit and you are done.                            This is the complete version and more useful than barebones.