Changed properties from private to protected to improve extensibility.

Author: mullen2

src/RedCapProject.php

@@ -10,10 +10,10 @@
 class RedCapProject
 {
     /** string REDCap API token for the project */
-    private $apiToken;
+    protected $apiToken;
 
     /** RedCapApiConnection connection to the REDCap API at the $apiURL. */
-    private $connection;
+    protected $connection;
 
 
     /**