paiq/blackcoffee instead of vanviegen/coffeescript
implemented APLArray.each() and .each2() as macros
simplified APLArray.toArray()
merged macros.coffee into {apl,helpers}.coffee
allowed ⍺ and ⍵ as identifiers in CoffeeScript
⍴ and ⍴⍴ are macros for .shape and .shape.length