* Enhance logging with sig
* Fixed
* Merge branch 'master' into add-sig
* Merge branch 'master' into add-sig
* Merge branch 'master' of https://github.com/prysmaticlabs/prysm into add-sig
* signature via debug
* Merge branch 'add-sig' of https://github.com/prysmaticlabs/prysm into add-sig
* Merge branch 'master' into add-sig
* Merge branch 'master' into add-sig
* Merge branch 'master' into add-sig