Add get_config method
Add get_config method

This gets the config for given path. Returns nil if not JSON or
unreadable.

We want to allow some configuration capabilities.

cody-code-wy/Fibre-Optic-Kitten,cody-code-wy/Fibre-Optic-Kitten,cody-code-wy/Fibre-Optic-Kitten