buildA | 5/10 update

today's update include:

• bugfix: debug menu condition could retain on hard reset death
• bugfix: open doors on level2 made no level progress
  
• all hail jerry.
• attack behavior has been added for player
• text display timeout has been slightly delayed.
• level 6 preview is available. 
• "loading" non-existent level/sectors via debug menu is now handled 

feedbacks are welcome.