retweet API methods are readonly

actions/apistatusesretweets.php

@@ -126,6 +126,6 @@ class ApiStatusesRetweetsAction extends ApiAuthAction
 
     function isReadOnly($args)
     {
-        return false;
+        return true;
     }
 }

actions/apitimelineretweetedbyme.php

@@ -136,6 +136,6 @@ class ApiTimelineRetweetedByMeAction extends ApiAuthAction
 
     function isReadOnly($args)
     {
-        return false;
+        return true;
     }
 }

actions/apitimelineretweetedtome.php

@@ -135,6 +135,6 @@ class ApiTimelineRetweetedToMeAction extends ApiAuthAction
 
     function isReadOnly($args)
     {
-        return false;
+        return true;
     }
 }

actions/apitimelineretweetsofme.php

@@ -123,4 +123,19 @@ class ApiTimelineRetweetsOfMeAction extends ApiAuthAction
             break;
         }
     }
+
+    /**
+     * Return true if read only.
+     *
+     * MAY override
+     *
+     * @param array $args other arguments
+     *
+     * @return boolean is read only action?
+     */
+
+    function isReadOnly($args)
+    {
+        return true;
+    }
 }