WIP on docs and added basic enums supports

src/ConnectionAdapter.php

@@ -38,7 +38,7 @@ class ConnectionAdapter
         
         $this->adapter->setup($connection);
 
-        unset($this->configuration['connections'][$this->name]);
+        unset($this->configuration['connections']);
     }
 
     public function getConfiguration() : array
@@ -71,7 +71,7 @@ class ConnectionAdapter
     {
         return $this->pdo();
     }
-
+    
     /**
      * Instanciate an adapter which interact with the data source
      * @param  string $name An Ulmus adapter or full class name implementing AdapterInterface