Fix Unicode and datetime.datetime serialization issues.

Fixes: bab09

Also, formatting of Unicode variables was broken.
Merge pull request #14 from mcepl/unicode_fix

Fix Unicode and datetime.datetime serialization issues.
Merge pull request #10 from duncanvr/master

Fixes for #7, #8 and #9
First (nonfunctional) version of importXML command
Add testing data to the repository.
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 %)$