Implemented oauth before filter to validate resources and added default scopes.

Signed-off-by: Jason Lewis <jason.lewis1991@gmail.com>
Ask for confirmation before uninstall database tables.

Signed-off-by: Jason Lewis <jason.lewis1991@gmail.com>
Switching to PSR-4 autoloading.

Signed-off-by: Jason Lewis <jason.lewis1991@gmail.com>