1. Added support for LZ4 and ZSTD compression over wire protocol communication between Redshift server and the client/driver. Compression is turned off by default and can be set using a new connection parameter compression=off or lz4 or zstd.
2. Added support for unit-testing using Google Test framework.
3. Upgrade unixODBC dependency from v2.3.1 to v2.3.7 (Linux release).
4. Fix handling of null termination during unicode processing in SQLDescribeColW API.