map api uses get or post

controllers/main.php

@@ -9,9 +9,9 @@ $app->get('/map', function() use($app) {
   return Savant\render('map');
 });
 
-$app->get('/map/img', function() use($app) {
+$app->map('/map/img', function() use($app) {
   $params = $app->request()->params();
   $app->response['Content-type'] = 'image/png';
   $assetPath = dirname(__FILE__) . '/../p3k/map/images';
   $map = p3k\geo\StaticMap\generate($params, null, $assetPath);
-});
+})->via('GET','POST');