Update CHANGES

CHANGES

@@ -1,3 +1,8 @@
+
+2021/04/24 (RDC)
+        Include fix in bytearray.ml to avoid corruption on 32bit architectures
+        (drops support for OCaml 4.02.3, thanks to Jerry James)
+
 2021/01/09 (RDC)
         Major enhancement: add support for returning results in the right order from
         the calls to parmap/parmapi/array_parmap/array_parmapi even when the
@@ -7,7 +12,7 @@
 
 2020/01/23 (RDC)
 	Integrated major rewriting of the build system, moving to dune;
-	dropped compatibility with pre-4.02 OCaml versions.
+	dropped compatibility with pre-4.02 OCaml versions. Thanks to Gabriel Radanne.
 
 2011/11/30 (RDC)
         Version 0.9.8 contains the following major new features w.r.t. 0.9.4