pgtcl

Release Notes: Proper Tcl namespace support in the ::pg namespace, connection and result handles that can be used as commands, a -dict option in pg_result, new -connhandle and -connlist options in pg_connect, a new pg_dbinfo command, and new pg_escape_string, pg_escape_bytea, and pg_unescape_bytea commands. A test suite that covers common scenarios was added, the documentation was updated, and helper procs were added in the playpen directory.