Added readLong and writeLong to our streaming classes.

Use that in PongResponse.


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@5358 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/as/com/threerings/io/ObjectOutputStream.as

@@ -27,6 +27,7 @@ import flash.utils.IDataOutput;
 import com.threerings.util.ClassUtil;
 import com.threerings.util.HashMap;
 import com.threerings.util.Log;
+import com.threerings.util.Long;
 import com.threerings.util.Short;
 
 public class ObjectOutputStream
@@ -164,6 +165,11 @@ public class ObjectOutputStream
         _targ.writeFloat(value);
     }
 
+    public function writeLong (value :Long) :void
+    {
+        writeBareObject(value);
+    }
+
     public function writeInt (value :int) :void
         //throws IOError
     {