- Copyright (c) 2009, Pádraic Brady padraic.brady@gmail.com
- Copyright (c) 2011, Robert Basic robertbasic.com@gmail.com
- Copyright (c) 2012, Dave Marshall dave.marshall@atstsolutions.co.uk
- Copyright (c) 2013, Graham Campbell hello@gjcampbell.co.uk
- Copyright (c) 2017, Nathanael Esayeas nathanael.esayeas@protonmail.com