Build 0012

Changes in this build:

• Have at least one Boss Witch with Unstoppable Curse Words (curse word is longer than the counter curse, so some damage points always get applied - the Neg Shield Potion is a good defence).
• Potion drops for Neg Shield and/or Slow Curses on expiry of a Boss Witch.
• Indication of when the game is getting saved. This happens on entry and exit from Ye Olde Devilish Shoppe.