Added an optional render argument to as_trees that if true causes it to render the rows before building the tree
Fixed a bug where as_list was setting the compact value for the rows permanently instead of only temporarily while processing the rows.
Added fix - you cannot concatenate lists with tuples and sets and it was possible that this would happen
minor
Merge branch 'master' of git://github.com/web2py/web2py

Conflicts:
	applications/admin/languages/pt.py
	gluon/dal.py
Merge pull request #474 from leonelcamara/master

Added an optional render argument to as_trees that if True causes it to ...