== String#pathize

  require 'facets/string/pathize'

module name

  a = "Foo::Base"
  x = "foo/base"
  a.pathize.assert == x

path name

  a = "foo/base"
  x = "foo/base"
  a.pathize.assert == x

name space

  a = "foo__base"
  x = "foo/base"
  a.pathize.assert == x

