Add external logging controls

[yurii-prykhodko-solid]

Using Logger.root goes around the hierarchy of loggers the users of the library might want to enforce. This PR creates a library root logger, that the users of the library can interact with and process logs in their own way.

[KSDaemon]

@konsultaner What do you think? Please have a look when you'll have time! btw, It's pretty short.

[konsultaner]

@yurii-prykhodko-solid To be honest my logging sucks. If would merge it like it is, but feel free to add some senseful logging to the package if you want.

@KSDaemon like it. makes absolut sense