Fix imginstructions key in TwoCaptcha/check_hint_img method (#86)

Author: asenatorrr

twocaptcha/solver.py

@@ -1028,6 +1028,7 @@ def check_hint_img(self, params):
             return params, files
 
         if not '.' in hint and len(hint) > 50:
+            params.update({'imginstructions': hint})
             return params, files
 
         if not os.path.exists(hint):