Updated copyright years.

Source/DFPSR/License.txt

@@ -1,7 +1,7 @@
 Main license for David Piuva's software renderer:
 	zlib open source license
 
-	Copyright (c) 2017 to 2021 David Forsgren Piuva
+	Copyright (c) 2017 to 2023 David Forsgren Piuva
 
 	This software is provided 'as-is', without any express or implied
 	warranty. In no event will the authors be held liable for any damages

Source/DFPSR/api/bufferAPI.cpp

@@ -1,6 +1,6 @@
 // zlib open source license
 //
-// Copyright (c) 2019 to 2020 David Forsgren Piuva
+// Copyright (c) 2019 to 2023 David Forsgren Piuva
 // 
 // This software is provided 'as-is', without any express or implied
 // warranty. In no event will the authors be held liable for any damages

Source/DFPSR/api/bufferAPI.h

@@ -1,6 +1,6 @@
 // zlib open source license
 //
-// Copyright (c) 2018 to 2020 David Forsgren Piuva
+// Copyright (c) 2018 to 2023 David Forsgren Piuva
 // 
 // This software is provided 'as-is', without any express or implied
 // warranty. In no event will the authors be held liable for any damages