fix bug found by test case
validate stream names in retrieve
start bugfixes

Summary:
pycassa expects string for replication factor

fix

x

x

address comments

address comments

save progress

use werkzeug testing

fix bug found by test case

validate stream names in retrieve

save progress

Reviewers: marcua, usmanm

Differential Revision: http://phabricator.locu.com/D2571
address comments
address comments
address comments