Include RIFE2 core Product class in bld wrapper jar

Add caching to pages workflow

.github/workflows/pages.yml

@@ -43,8 +43,16 @@ jobs:
           distribution: 'corretto'
           java-version: 17
 
+      - name: Cache bld dependencies
+        id: cache-bld
+        uses: actions/cache@v5
+        with:
+          path: lib
+          key: ${{ runner.os }}-bld-pages-lib
+          restore-keys: ${{ runner.os }}-bld-pages-lib
+
       - name: Build Javadocs
-        run: ./bld clean download clean compile javadoc
+        run: ./bld clean compile javadoc
 
       - name: Setup Pages
         uses: actions/configure-pages@v6

src/main/java/rife/bld/wrapper/Wrapper.java

@@ -258,6 +258,7 @@ public class Wrapper {
             addClassToJar(jar, FileUtils.class);
             addClassToJar(jar, FileUtilsErrorException.class);
             addClassToJar(jar, InnerClassException.class);
+            addClassToJar(jar, Product.class);
             addFileToJar(jar, BLD_VERSION);
             jar.flush();
         }