Use lowercase ordering values

Author: BelKed

pycaching/geocaching.py

@@ -423,7 +423,7 @@ def search_rect(
                 rect.corners[1].longitude,
             ),
             "take": take_amount,
-            "asc": not reverse,
+            "asc": str(not reverse).lower(),
             "skip": 0,
             "sort": sort_by.value,
         }