It is somehow working, but no comments.
We need to commit comments as well.

But it still doesn't work AND CORRUPTS GIT TREE

matej@wycliff: be (import-xml-fail %)$ git fsck
fatal: corrupt tree fileies:  50% (128/256)
matej@wycliff: be (import-xml-fail %)$
Fix Unicode and datetime.datetime serialization issues.

Fixes: bab09

Also, formatting of Unicode variables broken.