More installer groups.

Fixed: Text sometimes overflows out of text fields, such as comments areas, reminder text areas, and rules text areas:
  added a clipping region when in native look

No longer ask to save set when it is still open in another window.

New dark artifact frame for magic-new.
New Shadowmoor card sorting.
Slightly improved automatic card color detection.
Colorful infinity and 1/2 symbols for magic-mana-future.

Better multicolor masks for magic-old and magic-old-split.

Allow card actions to add/remove multiple cards.
not yet: actually use these multicard actions.

Adjustments to name for magic-new-token.

 - fix: pointer was not incremented in recognizePrefix
 - removed merge_numbers, regexes are better

New keyword (Conspire).
New colored artifact blends.
Partially adjusted sorting.
Truncated legend names via "@".
Fixed some errors in magic-new-flip.

Allowed symbol fonts to feature multiple symbols with text capability and multiple regex-matched symbols.