Fixed more Exception namespaces

src/Exceptions/NotAuthorizedException.php

@@ -3,7 +3,7 @@ namespace APnutI\Exceptions;
 
 use APnutI\Exceptions\PnutException;
 
-class NotAuthorizedException extends Exception
+class NotAuthorizedException extends \Exception
 {
 
 }

src/Exceptions/NotSupportedPollException.php

@@ -1,7 +1,7 @@
 <?php
 namespace APnutI\Exceptions;
 
-class NotSupportedPollException extends Exception
+class NotSupportedPollException extends \Exception
 {
 
 }

src/Exceptions/PnutException.php

@@ -1,7 +1,7 @@
 <?php
 namespace APnutI\Exceptions;
 
-class PnutException extends Exception
+class PnutException extends \Exception
 {
 
 }