Display XP, advances, and improvement points better in the PC sheet footer. Adds an XP bar, a (mildly) animated notification of available advances, and splits improvement point tracking into "Any" (for the original As You Go points), and "Abilities" and "Keywords" (for the restricted points bought with advances).
Controls for managing advances. When no advance available, clicking the inactive notification displays advancement history. When one or more advances are available, clicking the notification displays a dialog to spend an advance on advancement options.
The internal data structure for PC points was overhauled to support the new features.
New features:
The internal data structure for PC points was overhauled to support the new features.
Closes #13.