Update to PyGreSQL 3.1:

Fix some quoting functions. In particular handle NULLs better.

Use a method to add primary key information rather than direct
manipulation of the class structures.

Break decimal out in _quote (in pg.py) and treat it as float.

Treat timestamp like date for quoting purposes.

Remove a redundant SELECT from the get method speeding it, and
insert since it calls get, up a little.

Add test for BOOL type in typecast method to pgdbTypeCache class.
(tv@beamnet.de)

Fix pgdb.py to send port as integer to lower level function
(dildog@l0pht.com)

Change pg.py to speed up some operations

Allow updates on tables with no primary keys.

D'Arcy J.M. Cain

src/interfaces/python/tutorial/basics.py

@@ -10,7 +10,7 @@ MODULE BASICS.PY : BASIC POSTGRES SQL COMMANDS TUTORIAL
 This module is designed for being imported from python prompt
     
 In order to run the samples included here, first create a connection
-using :                        cnx = advanced.DB(...)
+using :                        cnx = basics.DB(...)
   
 The "..." should be replaced with whatever arguments you need to open an
 existing database.  Usually all you need is the name of the database and,