Create Cabal project and Color module
Add type and function to Color module
Create Mana module and modify Color module
Work on Color and Mana modules and create test
Remove class ManaSymbol and make instances of Show instead
Work in Color module
Simplify test
Simplify code in Mana module
Add dependency on collections-api to Cabal file
Work in Color and Mana modules
Work in Mana module
Fix homepage URL in Cabal file
Create Travis CI file
Remove comments from Cabal file