Add show_menu and hide_menu ESC commands

Fixes godot-escoria/escoria-issues#48
Fix: tween was stopped_all before starting


Fix: reload locale from settings in ESCGame

Since main menu and pause menu are now loaded from ESCGame and not from escoria.gd, this must be done here.
Fix: small crash in load game

But save and load are broken at the moment...
Fix: check save and load after main menu changes


Required fixes


Fix: manage the game scene better in show and hide_menu


Enh: transition back in to the previous room if there was one


Fix a bug occurring where change_scene awaits forever for setup to end


Reworked change_scene and esc_room implementation to avoid yielding


Added a controller variable to allow new event run in events_manager


Don't empty the events queue if the running_event was interrupted


Fixed transitions and automatic transitions in change_scene

Added trace log level (for esc_compiler in particular)
Fixed various bugs in ESC scripts
Fix a bug where exit_scene happened multiple times where fast walking

Needed to clear the event queue
Fixes ready event was run because BYPASS_LAST_SCENE wrongly set


Inverted parameter "disable_automatic_transitions"

for change_scene, hide_menu, show_menu commands
Fix broken sched_event


Fixes as requested in PR

addons/escoria-core/game/escoria.gd

@@ -122,7 +122,7 @@ func _init():
 # Load settings
 func _ready():
 	settings = save_manager.load_settings()
-	_on_settings_loaded(settings)
+	apply_settings(settings)
 	inputs_manager.register_core()
 	if ProjectSettings.get_setting("escoria/main/game_start_script").empty():
 		logger.report_errors("escoria.gd", 
@@ -265,7 +265,7 @@ func do(action: String, params: Array = [], can_interrupt: bool = false) -> void
 # #### Parameters
 #
 # * p_settings: Loaded settings
-func _on_settings_loaded(p_settings: ESCSaveSettings) -> void:
+func apply_settings(p_settings: ESCSaveSettings) -> void:
 	logger.info("******* settings loaded")
 	if p_settings != null:
 		settings = p_settings