new dev
added pulsar.apps.greenio
added mongodb store
testing mongodb
removed some code from coverage
removed some code from coverage
working on odm
moved pulsar ds to its own apps module. Adding couchdb as datastore client
fire_event can fire None by passing it as positional argument. Fixes #100
documentation, tests, fixes #101 and couchdb
Spelling fix: ather->other
couchdb implementation of get and query().all()
Merge pull request #103 from eventh/patch-1

Spelling fix: ather->other
foreignkey and odm tests
foreign key tests working on couchdb
count implemented for couchdb
add_callback works with coroutines too
added delete method to odm Model
docs and fixes on odm delete method
working on searchengine