SWCCG Json Parser

A tool used to parse the SWCCG card json data (https://github.com/swccgpc/swccg-card-json), fix common errors, and format the data in a standard way.

Also contains a tool which can be used to parse all the old DeckTech SWCCG decks (https://github.com/swccgpc/decktech.net) into a standard format.