Check CASSANDRA_HOME as well during testing
Avoid moving retry to next host when request ID == 0

Fixes PYTHON-88
Add UserType.as_cql_query, unit test coverage
Set fetch_size correctly in Statement.__init__
Merge pull request #151 from chronology/fetch_size

Set fetch_size correctly in Statement.__init__
Fix disabling paging on a per-statement basis

Relates to #151
Fixes PYTHON-93
Add a few extra tests for tuples
Added datatype_utils file
work in progress with UDT tests
Minor tuple test adjustments
Merge branch 'tuple-test-merge'
Fix typo in getting started guide

Fixes #154
Docs and example for Cluster.register_user_type
Update API doc methods
Friendlier exception when user type does not exist
implemented udt datatype tests
Add comments for recently submitted tests
Docs for cassandra.encoder
Document Session.encoders
Don't depend on v3 protocol for reading UDTs