Adding back the empty constructor per Sebb's comment on LANG-540

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/lang/trunk@828942 13f79535-47bb-0310-9956-ffa450edef68

src/java/org/apache/commons/lang/text/translate/NumericEntityEscaper.java

@@ -35,6 +35,10 @@ public class NumericEntityEscaper extends CodePointTranslator {
         this.between = between;
     }
 
+    public NumericEntityEscaper() { 
+        this(0, Integer.MAX_VALUE, true);
+    }
+
     public static NumericEntityEscaper below(int codepoint) {
         return outsideOf(codepoint, Integer.MAX_VALUE);
     }