Add function to convert seconds to HH:MM:SS (from StackOverflow)
Add function to convert seconds to HH:MM:SS (from StackOverflow)

Signed-off-by: Steve Almond <9ce5770b3bb4b2a1d59be2d97e34379cd192299f@SilkAndSlug.com>

SilkAndSlug/remote-site-checker