Implement save overwrite confirmation (#368)

* Implement save overwrite confirmation + fixed pause game not pausing game execution.

* docs: Automatic update of API docs

Co-authored-by: StraToN <StraToN@users.noreply.github.com>

addons/escoria-ui-9verbs/game.gd

@@ -166,8 +166,10 @@ func pause_game():
 		escoria.main.current_scene.game.get_node("camera").current = true
 		escoria.main.current_scene.game.show_ui()
 		escoria.main.current_scene.show()
+		escoria.set_game_paused(false)
 	else:
 		$ui/pause_menu.show()
 		escoria.main.current_scene.game.get_node("camera").current = false
 		escoria.main.current_scene.game.hide_ui()
 		escoria.main.current_scene.hide()
+		escoria.set_game_paused(true)