.gitignore: Add some ignores.
Main: Remove stub code.
Remove unused implicit AnyExtensions.
List: Fix a typo.
List: Remove final from object decl.
ListOps: s/scala/Scala/.
ListOps: Remove variable shadowing.
build: Wire tests.
ListTest: Temp fix utest colour bleed.
ListOpts: First implementation.
ListOpts: Learn & correct when comparing to paulp.