[Benchmarking] Compare base logger with verbose one.
[Tasks] Hey, I've already done this one.
[Tasks] I've changed my mind.
[API] Got rid of pid attribute.

You can still set this attribute manually to the logger attribute set (maybe at least someone use it).
[Code Style] Tiny fix.
[Detail] Advice to the compiler to inline this trait.
[Detail] Changed task description.
[Detail] Some tasks are moved to github issues.
[Tasks] No need.