== String#words

  require 'facets/string/words'

  x = "a b c\nd e"
  x.words.assert == ['a','b','c','d','e']

  x = "ab cd\nef"
  x.words.assert == ['ab','cd','ef']

  x = "ab cd \n ef-gh"
  x.words.assert == ['ab','cd','ef-gh']

