Re: upgradepath bugfix, candidate for 0.6.1

[Kamil Paral]

>  Hi,
>  I have found and fixed bug in pretty_log. It crashed when None appear
>  in fields in _make_overview()
>  
>  commit 06829c3f23499e4c45765ee62feee24b2771caae 
ACK, added to release-0.6 branch