Update license year range to 2021

Grokzen · Grokzen · commit f96eae744b0a · 2020-12-30T14:41:39.000+01:00
diff --git a/LICENSE b/LICENSE
@@ -1,4 +1,4 @@
-Copyright (c) 2013-2018 Johan Andersson
+Copyright (c) 2013-2021 Johan Andersson
 
 Permission is hereby granted, free of charge, to any person
 obtaining a copy of this software and associated documentation
diff --git a/docs/license.rst b/docs/license.rst
@@ -3,4 +3,4 @@ Licensing
 
 MIT, See docs/License.txt for details
 
-Copyright (c) 2013-2017 Johan Andersson
+Copyright (c) 2013-2021 Johan Andersson

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-Copyright (c) 2013-2018 Johan Andersson`
	`1`	`+Copyright (c) 2013-2021 Johan Andersson`
`2`	`2`
`3`	`3`	`Permission is hereby granted, free of charge, to any person`
`4`	`4`	`obtaining a copy of this software and associated documentation`
Original file line number	Diff line number	Diff line change
`@@ -3,4 +3,4 @@ Licensing`
`3`	`3`
`4`	`4`	`MIT, See docs/License.txt for details`
`5`	`5`
`6`		`-Copyright (c) 2013-2017 Johan Andersson`
	`6`	`+Copyright (c) 2013-2021 Johan Andersson`