Add CAA to printer

bin/dig.js

@@ -60,6 +60,9 @@ var commonPrinters = {
 , 'TXT': function (q) {
     console.log(';' + q.name + '.', q.ttl, q.className, q.typeName, '"' + q.data.join('" "') + '"');
   }
+, 'CAA': function (q) {
+    console.log(';' + q.name + '.', q.ttl, q.className, q.typeName, q.flag + ' ' + q.tag + ' "' + q.value + '"');
+  }
 };
 
 function writeQuery(opts, query, queryAb) {