Update copyright years and attribution

edwinbalani · edwinbalani · commit f509566a3d6a · 2020-05-01T16:01:35.000+01:00
diff --git a/COPYING b/COPYING
@@ -1,4 +1,4 @@
-Copyright (c) 2019 Edwin Bahrami Balani
+Copyright (c) 2019-2020 Edwin Bahrami Balani and contributors
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-Copyright (c) 2019 Edwin Bahrami Balani`
	`1`	`+Copyright (c) 2019-2020 Edwin Bahrami Balani and contributors`
`2`	`2`
`3`	`3`	`Permission is hereby granted, free of charge, to any person obtaining a copy`
`4`	`4`	`of this software and associated documentation files (the "Software"), to deal`