change exception name

Lib/Configuration.php

@@ -1,5 +1,4 @@
 <?php
-
 namespace BSR\Lib;
 
 class Configuration {
@@ -61,7 +60,7 @@ class Configuration {
         $this->values['session']['save_path'] = session_save_path();
 
         if(!file_exists($this->custom_config)) {
-            throw new \BSR\Lib\Exception\UsageException('No configuration.local.php file was found. Create it with the proper config.');
+            throw new \RuntimeException('No configuration.local.php file was found. Create it with the proper config.');
         }
     
         $configuration  = include_once $this->custom_config;

Lib/Exception/UsageException.php

@@ -16,4 +16,4 @@ class UsageException extends WebException {
 
     const TOO_FEW_ARGS = 103;
     const TOO_MANY_ARGS = 104;
-}
+}