first commit and single test
gitignore Gemfile.lock
require bson_ext on tests
require factories after models
fix rdoc task warning
bump mongoid version
prototype manual cache implementation for relations
method_missing delegation
cached_document
clean test database; _cache_source => _source
cached document proxy
test console
cached document proxy
lazy proxy; tests
update cache callback
cached document class embedded_in
cached relation cleanup
cache relation building bugfix
has_many support
test coverage for non-cached values on has_many