r18014 - gnucash/trunk/src/backend/sql - Add some debug enter/exit tracing. Add some more argument checking.

[Phil Longstaff]

Author: plongstaff
Date: 2009-04-04 19:44:16 -0400 (Sat, 04 Apr 2009)
New Revision: 18014
Trac: http://svn.gnucash.org/trac/changeset/18014

Modified:
   gnucash/trunk/src/backend/sql/gnc-backend-sql.c
   gnucash/trunk/src/backend/sql/gnc-transaction-sql.c
Log:
Add some debug enter/exit tracing.  Add some more argument checking.