Add removeAll and merge methods.

src/fr/devinsy/util/StringList.java

@@ -318,6 +318,37 @@ public class StringList extends ArrayList<String>
 		return (result);
 	}
 
+	/**
+	 * 
+	 */
+	public StringList merge()
+	{
+		StringList result;
+
+		String merge = this.toString();
+
+		removeAll();
+		add(merge);
+
+		//
+		result = this;
+		return result;
+	}
+
+	/**
+	 * 
+	 */
+	public StringList removeAll()
+	{
+		StringList result;
+
+		removeRange(0, this.size() - 1);
+
+		//
+		result = this;
+		return result;
+	}
+
 	/**
 	 * 
 	 */