Specify utf-8, and encode Unicode `browse` output!
Specify utf-8, and encode Unicode `browse` output!

Otherwise the script fails when trying to render names with Unicode,
like [the children of
'life'](https://devtree.opentreeoflife.org/taxonomy/browse?id=805080).

OpenTreeOfLife/opentree,OpenTreeOfLife/opentree,OpenTreeOfLife/opentree,OpenTreeOfLife/opentree,OpenTreeOfLife/opentree,OpenTreeOfLife/opentree