aya/aya-log/src
tyrone-wu 02d1db5fc0 aya: remove unwrap and NonZero* in info
Addresses the feedback from :
- remove panic from `unwrap` and `expect`
- Option<NonZero*> => Option<int> with `0` mapping to `None`

Refs: 
..
lib.rs aya: remove unwrap and NonZero* in info