add setup as required method for load balancing policy
rename Partitioner#parse_string to Partitioner#parse_token
[docs] add bc breaks in CHANGELOG
Fixed typo in link text from old Cql.connect to new Cassandra.connect.
[docs] mention latest changes in the README
[docs] fix typos in the doc block
[docs] remove private classes from docs
[docs] clarify version in what's new
skip dcs with missing replication factor
make token-aware policy use local replicas only
[docs] add links to what's new section
bump to next development version
load balancing integration tests
add explicit cluster.close
Merge pull request #18 from kishkaru/close_sessions

add explicit cluster.close to integration tests
Merge pull request #17 from kishkaru/load_balancing_integration_tests

load balancing integration tests
update Gemfile.lock
use bundler tasks for gem release