TypeGuess fixes
update guessers
update sortable
added list mappings - not complete
added boolean + callback filter
add number + choice filter
filters: added boolean, callback, number, nodename tests + updated nodename
filters: added ChoiceFilterTest
filters: added documentation
child is a one to one mapping
Merge pull request #105 from uwej711/child_admin

child is a one to one mapping
Merge pull request #100 from beeldspraak/admin-filters

Admin filters + sortable