FrogComposband v7.2.2 'pulla'

Edit: This is older work now, and has been incorporated into, and fully superseded by, the larger FroxComposband update.

Fixes:

Exploits

• Psion summon farming fixed (thanks JarrodB).
• Retaliation no longer bypasses vampiric leech caps.
• Stair scumming with a live guardian fixed.
• Android special-store scumming fixed.
• Purple disciple no longer offered overleveled spell choices.

UI and bugs

• Subwindow lists refresh correctly after various detections and teleports.
• Lists and status panels now refresh right away after curing hallucination,
  getting dispelled, and multiple other ways of changing statuses/effects.
• Stop monster status letters from roaming over the screen while in percentage
  health bar mode (thanks velo).
• Resume pending stat point selection after disconnect.
• Some spell menu errors given a status line since before they weren't showing.
• UI actions no longer reroll monster visibility.
• "Unrecognized command" spam from PgUp/PgDn sending periods fixed.
• Arena death recovery fixed so they don't turn into real deaths.
• Fixed games being able to break by Nightmare midnight curse triggering while
  inside the Monster Gambling map.

Items and effects

• Scroll enchanting no longer destroys stacked items.
• Sharpness weapons always show both slays.
• Artifacts destroyed by terrain/object wipes return to the pool.
• TaepoDong now respects easy_mimics.
• Magic eater duplicate fear check removed.

Codebase cleanup

• Fallthrough guards and missing breaks reviewed and fixed.
• Prompt/display formatting hardened and bounds-checked.
• All 114 compiler warnings cleaned up over a few days of reviewing.

Build and install (thanks Sui and Linux nerds incl. kitten)

• Updated ncurses detection to use ncursesw6-config and refreshed dependencies.
• Install paths fixed to avoid duplicate package segments.
• Install now creates data/save/user dirs to prevent permission failures.
• Ensured configure is executable and other minor checks and fixes.
• Documented -ds/-du for custom save/user locations.

* Note: 7.2.0 (sampyla) was a development-only release.
All fixes in there have been brought into this release.