In fact, we WANT to exit the process when there are no changes... we don't increase the timestamp in the DB.
Probably it's not the worst idea to close the DB before exit...
Added minimal console logging -> this is the contents of the cron mail!
Improved error logging
Added some more info messages to trace what's happening
we have Values
we have Values fix
Merge pull request #869 from mklose/master

we have Values
Merge commit '756397dfc4a1642d987a9198e69c07e2df0e617a'
columns are tags now