Fix unicode in VkTools.get_all values

Author: python273

vk_api/vk_tools.py

@@ -48,9 +48,10 @@ def get_all(self, method, max_count, values=None, key='items',
         offset = 0
 
         while True:
-            run_code = code_get_all_items % (max_count, offset, key,
-                                             json.dumps(values),
-                                             method, method)
+            run_code = code_get_all_items % (
+                max_count, offset, key, json.dumps(values, ensure_ascii=False),
+                method, method
+            )
 
             response = self.vk.method('execute', {'code': run_code})