check that session_id exists before trying to renew session from the db
record versioning must ignore tables without _id field.
added empty line
fixed __delattr__, thanks Vinicius
edited link to realpython
"reference table.field" type bugfix
Merge pull request #113 from michele-comitini/basic_auth

Session renewal fix + record versioning fix + postgres fk reference fix
Merge branch 'master' of github.com:web2py/web2py
speedup CONTAINS when un-necessary REPLACE
fixed Issue 1560:Smartgrid doesn work with Google app engine 1.8.1
quoting table names
fixed a bug in revision b1d117199fdb
better german translation for admin, thanks Michael Kallweit
if not logged-in no [wiki] menu
web2py.js with no inline code, thanks Niphlod (this upgrade required upgrading web2py.js
nicer alignment, removed leftovers, new listwidget and passwordwidget
Merge pull request #115 from niphlod/feature/js_inline

nicer alignment, removed leftovers, new listwidget and passwordwidget
fixed Issue 1563:Web2py in error when the request contains a json string corresponding to a list, thanks Hono Sandai
removed check for missing driver
Row code speedups