fix `single()` and `first()` handling of empty result sets
update readme
Merge pull request #25 from godaddy/fix-single-first-empty-set

fix `single()` and `first()` handling of empty result sets
Prevent nested batch timestamps from throwing errors on CQL3.0 or prior.
Merge pull request #26 from godaddy/nested-batch-cql30

Prevent nested batch timestamps from throwing errors on CQL3.0 or prior.
Update README.md
Feature #27 - Allows an array of query/batch objects to be added via add method
Merge pull request #28 from godaddy/feature-27

Feature #27 - Allows an array of query/batch objects to be added via add...
version bump
Coerce non-Date timestamp parameters
convert `node-uuid` library to `uuid`
Merge pull request #29 from godaddy/coerce-timestamp-parameters

Coerce timestamp parameters
Add support for BinaryV1 and BinaryV2 based on `cqlVersion`.

Automatically choose the appropriate driver if the specified `cqlVersion` does not support it.
Merge pull request #30 from godaddy/multiple-binary-protocol-support

Add better Cassandra version support
Fix empty batches/queries in `batch.add()`
Merge pull request #31 from godaddy/fix-empty-batch

Fix empty batches/queries in `batch.add()`