See a list of contributors here
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 Original/Modified work: Copyright (C) 2017-2020 LinxGem33 (Andy C)
 Original/Modified work: Copyright (C) 2019-2020 Andrew Zaech
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 Original work: Copyright (C) 2015 Giovanni Campagna
 Modified work: Copyright (C) 2016 Zorin OS
 Modified work: Copyright (C) 2017 Alexander Rüedlinger