memoize is now stable. Update webpage to reflect that

_layouts/rosella.html

@@ -41,7 +41,8 @@
             <a href="/Rosella/libraries/action.html">Action</a> &ndash;
             <a href="/Rosella/libraries/container.html">Container</a> &ndash;
             <a href="/Rosella/libraries/proxy.html">Proxy</a> &ndash;
-            <a href="/Rosella/libraries/event.html">Event</a>
+            <a href="/Rosella/libraries/event.html">Event</a> &ndash;
+            <a href="/Rosella/libraries/memoize.html">Memoize</a>
 
             <br/>
             Infrastructure:

index.md

@@ -102,6 +102,12 @@ full-featured mock objects for use in testing with the Test
 library. Several tests in the Rosella test suite are implemented
 using this library.
 
+#### [Memoize](/Rosella/libraries/memoize.html)
+
+The Memoize library adds in functionality to add memoization and caching to
+subroutines. There is a simple version and a version which uses proxies to add
+more features, but is slower.
+
 ### Rosella Development Libraries
 
 Rosella has a number of other libraries in planning and development. These

libraries/future.md

@@ -49,12 +49,6 @@ creating cheap Decorators. A Decorator is an object which adds new
 attributes and methods to an object of an existing class, without violating
 encapsulation.
 
-### Memoize
-
-The Memoize library adds in functionality to add memoization and caching to
-subroutines. There is a simple version and a version which uses proxies to add
-more features, but is slower.
-
 ### Path
 
 The Path library allows searching of nested aggregates by using path strings.