#286 - adds ability to define which columns the use can hide. Thanks @thyseus
#287 - Typo bugfix. Thanks @ReganLyden
#288 - adds label columns. Thanks @thyseus
#289 - adds the ability to control row and cell css classes from the config file. Thanks @spekkie2002
#294 - adds column groups. Thanks @thyseus
Also should have fixed #283, which was caused by PR #261. I don't know whether my fix will re-introduce the Postgres bug that was fixed by #261.