Bump copyright date

chungy · chungy · commit 0389481cb515 · 2018-11-30T13:32:44.000-08:00
Near the end of the year and actual code hasn’t changed since January,
but what the heck.
diff --git a/COPYING b/COPYING
@@ -1,4 +1,4 @@
-Copyright © 2014-2016 Mike Swanson <mikeonthecomputer@gmail.com>
+Copyright © 2014-2018 Mike Swanson <mikeonthecomputer@gmail.com>
 
 Permission to use, copy, modify, and distribute this software for any
 purpose with or without fee is hereby granted, provided that the above

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-Copyright © 2014-2016 Mike Swanson <mikeonthecomputer@gmail.com>`
	`1`	`+Copyright © 2014-2018 Mike Swanson <mikeonthecomputer@gmail.com>`
`2`	`2`
`3`	`3`	`Permission to use, copy, modify, and distribute this software for any`
`4`	`4`	`purpose with or without fee is hereby granted, provided that the above`