library support improvements: add index.js which exports all from ui.js

update to latest wabac.js -- smaller size
support for 'source' param on <replay-app-main> which sets sourceUrl and forces direct loading of a single archive only
bump version to 1.3.5

src/coll.js

@@ -29,7 +29,7 @@ const RWP_SCHEME = "search://";
 
 
 // ===========================================================================
-class WrColl extends LitElement
+class Coll extends LitElement
 {
   constructor() {
     super();
@@ -432,7 +432,7 @@ class WrColl extends LitElement
       flex: auto;
     }
 
-    ${WrColl.replayBarStyles}
+    ${Coll.replayBarStyles}
     `);
   }
 
@@ -1115,6 +1115,6 @@ class WrColl extends LitElement
   }
 }
 
-customElements.define("wr-coll", WrColl);
+customElements.define("wr-coll", Coll);
 
-export { WrColl };
+export { Coll };