Bug and/or Fixes as of Kangband282c

- Problem in Kang281a where gambling house would mess up your gold depending on
size of wager.  This has been fixed.

- Problem in Kang281a and Kang282b where you would sometimes end up trapped in a
wall after exiting a level or the arena.  This has been fixed.

- Problem in Kang281a and Kang282b where the gambling hall game "In-between" was
rigged in favor of player.  This has been tweaked so it is more in line with traditional
gambling - i.e. you may win but you will lose more often unless very lucky.

- The quest depth would affect the word of recall depth - this has been fixed.
