- Tracer.php:  -- Fixed some innacuracies in the comments. -- Added a method for pretty printing a complex data structure in the traces.
- Tracer.php: 
-- Fixed some innacuracies in the comments.
-- Added a method for pretty printing a complex data structure in the traces.

git-svn-id: a7fabbc6a7c54ea5c67cbd16bd322330fd10cc35@45824 b456876b-0849-0410-b77d-98878d47e9d5

oregional/tiki,tikiorg/tiki,tikiorg/tiki,changi67/tiki,tikiorg/tiki,oregional/tiki,oregional/tiki,tikiorg/tiki,changi67/tiki,changi67/tiki,changi67/tiki,changi67/tiki,oregional/tiki