encourage use of latest psycopg

Author: Richard Jones

doc/installation.txt

@@ -286,7 +286,8 @@ mysql      Fast        Many  Needs install/admin (MySQLdb_)
 **postgresql**
   Backend for popular RDBMS PostgreSQL. You must read doc/postgresql.txt for
   additional installation steps and requirements. You must also configure
-  the ``rdbms`` section of your tracker's ``config.ini``
+  the ``rdbms`` section of your tracker's ``config.ini``.  It is recommended
+  that you use at least version 1.1.21 of psycopg.
 **mysql**
   Backend for popular RDBMS MySQL. You must read doc/mysql.txt for additional
   installation steps and requirements. You must also configure the ``rdbms``

doc/postgresql.txt

@@ -14,7 +14,10 @@ additionally install:
 1. PostgreSQL 7.x - http://www.postgresql.org/
 
 2. The psycopg python interface to PostgreSQL:
-   http://initd.org/software/initd/psycopg
+
+     http://initd.org/software/initd/psycopg
+
+   It is recommended that you use at least version 1.1.21
 
 Some advice on setting up the postgresql backend may be found at: