card_fields rewrite and magic-modules.mse-include (#21)

Overhauls the card_fields file to allow for template designers more freedom in manipulating data.

Adds magic-modules.mse-include, a large scale include file for building templates in a standardized way. Applying this to existing frames will be coming in future updates.

data/magic-modules.mse-include/counters/choices

@@ -0,0 +1,53 @@
+choice:
+	name: none
+	line below: true
+choice:
+	name: custom
+	line below: true
+choice: +1/+1
+choice: -1/-1
+choice: acorn
+choice: aether
+choice: arrow
+choice: awakening
+choice: bounty
+choice: charge
+choice: corpse
+choice: deathtouch alt
+choice: deathtouch
+choice: defender
+choice: doom
+choice: double strike
+choice: egg
+choice: energy
+choice: experience
+choice: finality
+choice: first strike
+choice: flame
+choice: flood
+choice: flying
+choice: goaded
+choice: haste
+choice: hexproof alt
+choice: hexproof
+choice: indestructible
+choice: lifelink alt
+choice: lifelink
+choice: lore
+choice: menace
+choice: oil
+choice: omen
+choice: poison
+choice: rad
+choice: reach
+choice: shield
+choice: solved
+choice: spore
+choice: stun
+choice: suspected
+choice: ticket
+choice: time
+choice: trample
+choice: unlock
+choice: vigilance
+choice: void