Remove unwraps and unimplemented! calls and propagate them properly. This [type ](https://github.com/MSleepyPanda/explain-rs/blob/dc15605bd6f481e66806af61b5fdfe054fd0fd23/src/explain.rs#L12-L15)is a stub in prep for this. Though unimplemented is the logically correct choice, we can still produce intermediate results, which can be outputted.
Remove unwraps and unimplemented! calls and propagate them properly. This type is a stub in prep for this.
Though unimplemented is the logically correct choice, we can still produce intermediate results, which can be outputted.