use add_request_method on mongo recipe
add_request_method for couchdb
Merge pull request #70 from kusut/webscale

use add_request_method on mongo recipe
deprecating set_request_property in user_object recipe
Merge pull request #72 from kusut/user_object

deprecating set_request_property in user_object recipe
Merge pull request #71 from kusut/couch

add_request_method for couchdb
improve sqla recipe. also #52
Merge pull request #73 from kusut/sqla

improve sqla recipe. also #52