v0.4.0

API changes

• Updated the driver to support RethinkDB v1.14 (#116)
• Added the Binary data type
• Added the Binary command which takes a []byte, io.Reader or bytes.Buffer{} as an argument.
• Added the BinaryFormat optional argument to RunOpts
• Added the GroupFormat optional argument to RunOpts
• Added the ArrayLimit optional argument to RunOpts
• Renamed the ReturnVals optional argument to ReturnChanges
• Renamed the Upsert optional argument to Conflict
• Added the IndexRename command
• Updated Distinct to now take the Index optional argument (using DistinctOpts)

Internal Changes

• Updated to use the new JSON protocol
• Switched the connection pool code to use github.com/fatih/pool
• Added some benchmarks