Page = Meta.new
    # ==> Page
Page.named("/main", :description => "Main Page")
    # ==> #<Page description: "Main Page", uuid: "04102e92-acf4-5d8c-8d3b-cf1401123194", version: 0000...>
Page.named("/main")
    # ==> #<Page description: "Main Page", uuid: "04102e92-acf4-5d8c-8d3b-cf1401123194", version: 0000...>
Page.named("/main", :disabled => true)
    # ==> #<Page description: "Main Page", disabled: true, previous_version: 0000..., uuid: "04102e92-acf4-5d8c-8d3b-cf1401123194", version: 4141...>