Upgrade to Pygress 2.2.

Bruce Momjian <bruce@momjian.us>

Commit: e9491eb91c268166d3694ff3289b43ff5acb1892
Author: Bruce Momjian <bruce@momjian.us>
Date: 1998-12-17T01:43:04Z
Releases: 7.1.1
Upgrade to Pygress 2.2.

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