Release preparation, documentation, fixing vc bugs
diff --git a/dev/js/src/vc.js b/dev/js/src/vc.js
index 1bb3b15..1aed3cf 100644
--- a/dev/js/src/vc.js
+++ b/dev/js/src/vc.js
@@ -138,6 +138,7 @@
       return obj;
     },
 
+
     /**
      * Create and render a new virtual collection
      * based on a KoralQuery collection document 
@@ -171,6 +172,10 @@
       return this;
     },
 
+
+    /**
+     * Clean the virtual document to uspecified doc.
+     */
     clean : function () {
       if (this._root.ldType() !== "non") {
 	this._root.destroy();
@@ -179,6 +184,7 @@
       return this;
     },
 
+
     /**
      * Get or set the root object of the
      * virtual collection.
@@ -206,6 +212,7 @@
       return this._root;
     },
 
+    
     /**
      * Get the element associated with the virtual collection
      */