Doesn't quite do what is needed

--HG--
extra : amend_source : 399a044f6a5f9ed559f96ce461416a64aa83ad06
custom sessions WIP
Use log4cl's new ability to filter messages on appenders.
Serializable classes
transient nil -> serializable t
Serialization tests
Store and retrieve objects. Almost works (mongo can't handle dots in field names)
ODM. Modifying slots. Removing objects. Tests.
ODM mapping and a few more tests
change bonuscard number limit
avoid filter routs without parents
add filters to upsale module
Dirty hack with serializable objects deserialization
Merge branch 'file-logs' of https://github.com/naryl/cl-restas-eshop into naryl
fix bug at init marketing filters
remove seo text from catalog pages
Merge branch 'session' of https://github.com/naryl/cl-restas-eshop into naryl
Merge branch 'naryl' into dev
persistnt sessions work
debug policy