Bump version to 0.9.4; update localization files and adjust index references in Core and ImageBrowser

kapitanbooru_uploader/Core.py

@@ -35,7 +35,7 @@ class Core:
     """
 
     def __init__(self, settings: Settings, gui_mode: bool = True):
-        self.version = "0.9.3"
+        self.version = "0.9.4"
         self.acknowledged_version = parse_version(self.version)
         self.settings = settings
         self.tags_repo = TagsRepo(settings)
@@ -70,7 +70,6 @@ class Core:
         self.image_files_md5 = []
         self.current_index = None
         self.image_cache = None
-        self.tagger_thread_idx = 0
         self.tagger = wdt.Tagger()
 
         # Liczniki statusu