v1.20 - June 13th 2018
* bug fixes

v1.15 - October 13th 2013
* added per-user option to enable/disable two step authentication
* fixed a few bugs

v1.1 - October 9th 2013
* added whitelist IP option to brute-force module
* added mass email option on users screen so that QR codes can be sent to existing users
* fixed a few bugs

v1.0 - October 5th 2013
* initial release