This day I'm working on improving documentation and commited my results
https://bitbucket.org/marchael/moin-2.0/changeset/5c6ef2031235
Also, I implemented "wikiname" field support, so now wiki admin may store several indexes in one app.cfg.index_dir for building wiki farm.
https://bitbucket.org/marchael/moin-2.0/changeset/459fda5f2079