backend.ml: Defines handlers for events related to the backend directory, where the scripts are stored.

directfifowatcher.ml: Routines to handle non-persistent scripts

Watches directories for events.

Fdwatcher - The main event loop.

fifowatcher.ml: Routines for creating and managing fifos

frontendhandler class: Methods to create and unlink pipes and directories

Some things that didn't fit in elsewhere

main ()