Converted postgres UNICODE, TIME, DATE, and INTERVAL tests into two way tests (input/output) rather than just output.
Converted postgres UNICODE, TIME, DATE, and INTERVAL tests into
two way tests (input/output) rather than just output.

petrhosek/storm,petrhosek/storm,petrhosek/storm,PyMamba/mamba-storm,PyMamba/mamba-storm,PyMamba/mamba-storm