chg: cast each array element to string

src/main/java/helma/framework/ResponseBean.java

@@ -207,7 +207,7 @@ public class ResponseBean implements Serializable {
         if (str == null) return;
 
         for (String s : str) {
-            res.write(s);
+            res.write(s + "");
         }
     }
 
@@ -220,7 +220,7 @@ public class ResponseBean implements Serializable {
         if (str == null) return;
 
         for (String s : str) {
-            res.writeln(s);
+            res.writeln(s + "");
         }
     }
 
@@ -251,7 +251,7 @@ public class ResponseBean implements Serializable {
         }
 
         for (String message : messages) {
-            res.debug(message);
+            res.debug(message + " ");
         }
     }