Simplify foldr/foldl descriptions
Simplify `forEach` docs
Expand `map` documentation
Add examples for map and forEach
Expand docs for `arity`
Remove dead code
Fix/update `compose` documentation
Add `compose` example
Expand `curry` docs
Expand docs for `lPartial`
Expand docs for `rPartial`
Update goals
Add docs for `is`-class functions
Add additional test to isNumber
Add `keys` docs
Add examples for utility functions