Made UpdateMana no longer patchable in Prolog trigger;
Changed implementation of Passive_ManaGainUpWhenAttackedByWarrior accordingly.
Moved Warrior.ValueModifier to TouhouSpring namespace.
Added mana update modifier list for player so that mana delta can be altered globally;
Core rule related mana updatings are not affected by these modifiers.
Implemented a behavior which utilizes SelectNumber interaction;
Made XnaUIController respond to SelectNumber interaction with NumberSelector modal dialog;
Added AI simulation for SelectNumber interaction.
Fixed exception when the min value and max value equals on issuing SelectNumber interaction.