* Cause ball attacked aimed in a direction to only be stopped by a wall or a
  visible monster, and those aimed at a target to be stopped by a wall or the
  target.
* List the actual name of a hidden object when it is examined.
* Give a "Try" prompt when the player selects an object to sell with a capital.
* Allow an ego type to be selected when creating an object in wizard mode.
* Set the EASY_KNOW flag for non-random items in the source.
* Fix the following bugs
  * It was possible to discover the identity of objects the player was not aware
    of using the preferences.
  * The unified use command allowed ineligible objects to be used.
  * Being cut or stunned had twice the intended chance of decreasing stats.
  * The maximum length of a ghost's name wasn't calculated correctly.
  * Loading a game which contains more monster races than the current r_info
    could cause undefined behaviour.
  * The labels in the extra inventory window were corrupted.
  * The damage from monster breaths was described incorrectly.
  * Ego boots, ego elven cloaks and weapons of Law were never created.
  * No template was given hermetic magic skills at start-up.
  * Objects generated in dungeons could have the wrong dungeon set.
  * Dying after recalling into a dungeon could attribute the death wrongly.