delegate clearing the nested set

Author: drm

src/nl/melp/redis/collections/SerializedMappedSet.java

@@ -112,7 +112,7 @@ public void putAll(Map<? extends K, ? extends Set<V>> map) {
 	public void clear() {
 		synchronized (redis) {
 			for (K key : keys) {
-				call("DEL", this.withPrefix(this.keySerializer.serialize(key)));
+				this.get(key).clear();
 			}
 			keys.clear();
 		}