Neater logging with wrapping at 80 chars

[lillialexis]

Summary:

I wanted to indent the sub-messages so that they catch the eye better.

See screenshot

It's not perfect, since interpolated substrings could, in theory, still cause wrapping, but it's not important enough to try and find a method that successfully breaks along string at the word boundaries.

Issue: FEI-5987

Test plan:

Run ka-clone in window that is 80 wide and see it look neat

[csilvers]

So pretty!