require 'gepub/version' require 'gepub/dsl_util' require 'gepub/xml_util' require 'gepub/meta' require 'gepub/datemeta' require 'gepub/meta_array' require 'gepub/metadata' require 'gepub/metadata_add' require 'gepub/manifest' require 'gepub/spine' require 'gepub/bindings' require 'gepub/package' require 'gepub/mime' require 'gepub/item' require 'gepub/book' require 'gepub/book_add_item' require 'gepub/builder_mixin' require 'gepub/resource_builder' require 'gepub/builder'