Add helper functions for json files

shared/main.php

@@ -16,7 +16,7 @@ limitations under the License.
 */
 
 function uupApiVersion() {
-    return '1.37.0';
+    return '1.38.0-dev';
 }
 
 require_once dirname(__FILE__).'/auths.php';

shared/utils.php

@@ -166,3 +166,16 @@ function uupApiFixDownloadLink($link) {
         $link
     );
 }
+
+function uupApiReadJson($path) {
+    $data = @file_get_contents($path);
+
+    if(empty($data))
+        return false;
+
+    return json_decode($data, true);
+}
+
+function uupApiWriteJson($path, $data) {
+    return file_put_contents($path, json_encode($data)."\n");
+}