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/symbols/choices

@@ -0,0 +1,87 @@
+choice: front triangle
+choice: day
+choice: moon
+choice: closed fan
+choice: meld
+choice: sparker
+choice:
+	name: sparker (colored)
+	choice: default
+	choice: white
+	choice: blue
+	choice: black
+	choice: red
+	choice: green
+	choice: multicolor
+	choice: colorless
+	choice: artifact
+	line below: true
+
+choice: back triangle
+choice: night
+choice: eldrazi
+choice: compass
+choice: open fan
+choice: specialized
+choice:
+	name: aetherprint
+	line below: true
+choice: none
+choice: lesson
+choice:
+	name: custom symbol
+	choice: one
+	choice: two
+	choice: three
+	choice: four
+choice:
+	name: extra
+	choice: comedy
+	choice: tragedy
+	line below: true
+choice:
+	name: modal front
+	choice: default
+	choice: white
+	choice: blue
+	choice: black
+	choice: red
+	choice: green
+	choice: multicolor
+	choice: colorless
+	choice: artifact
+choice:
+	name: modal back
+	line below: true
+	choice: default
+	choice: white
+	choice: blue
+	choice: black
+	choice: red
+	choice: green
+	choice: multicolor
+	choice: colorless
+	choice: artifact
+
+choice: multitype
+choice: artifact
+choice: battle
+choice: creature
+choice: enchantment
+choice: fortress
+choice: instant
+choice: land
+choice: planeswalker
+choice: sorcery
+choice:
+	name: non standard
+	line below: true
+	choice: conspiracy
+	choice: dungeon
+	choice: emblem
+	choice: hero
+	choice: phenomenon
+	choice: plane
+	choice: scheme
+	choice: vanguard
+	line below: true