Update change log.

Author: trefis

CHANGES.md

@@ -1,3 +1,19 @@
+v1.1.0
+-------
+
+- class types: fix rendering, they were previously rendered as classes.
+  cf. ocaml-doc/odoc#72
+
+- place docstring above include not below
+
+- handle substitutions on first class modules
+  cf. ocaml-doc/odoc#75
+
+- switch to jbuilder
+
+- use "display type" to render canonical modules as "module Foo : sig .. end"
+  instead of "module Foo = Foo" (which was confusing)
+
 v1.0.0
 -------