Fizlet 0.14.0

For Swarm Protocol's port onto the kernel (its own engine kept page-level hooks the bricks lacked):

• Kernel Ledger.unstyle(el, prop): put one style property back now, as Recall would, and forget it (a later style records the value then as the new original). Hands off if the host changed it since our last write. Swarm drops a breached button's paint and a hit's wobble mid-round.
• fizlet/board-page letters: true: letters only (digits stay page text, not glyphs).
• board-page.char(i): the letter glyph i was before the game changed it (a bite reports which letter it ate). board-page.parent(i): the element that holds it, for a game's own read-phase checks (what covers it). Neither is for a step.
• Size: kernel 3,415 B gzip (budget 4,096); fizlet/board-page 4,043 B (3,960 in 0.13.0, budget 4,096); fizlet/arcade 17,206 B (budget 17,408).