Event loop handler developed for wayvnc (Wayland VNC server) and
wlvncc (Wayland VNC client) - see https://github.com/any1
Goals:
* Portability
* Utility
* Simplicity
Non-goals:
* MS Windows (TM) support
* Solving the C10K problem
Features:
* File descriptor event handlers
* Timers
* Tickers
* Signal handlers
* Idle dispatch callbacks
* Thread pool
* Interoperability with other event loops
