Set HTTP method before initializing InputHandler

This is needed because without it the InputHandler doesn't know which http method is being used, and because of that it can't parse the body of a PUT request

src/Pecee/Http/Request.php

@@ -84,7 +84,8 @@ class Request
 
         // Check if special IIS header exist, otherwise use default.
         $this->setUrl(new Url($this->getHeader('unencoded-url', $this->getHeader('request-uri'))));
-
+        
+        $this->method = strtolower($this->getHeader('request-method'));
         $this->inputHandler = new InputHandler($this);
         $this->method = strtolower($this->inputHandler->value('_method', $this->getHeader('request-method')));
     }
@@ -425,4 +426,4 @@ class Request
         return $this->data[$name] ?? null;
     }
 
-}
+}