- import/export of bookmark data
    - tool to scan database for broken URLs
    - machine tags
    - could this be useful: http://stackoverflow.com/questions/418898/sqlite-upsert-not-insert-or-replace
    - suite of tools to init, start, and stop an instance
    - better name

Tool suite example to create an instance of the application in the directory "foo":

    $ mkdir foo
    $ cd foo
    $ bkmk init
    # writes a basic conf.yml, creates a bookmarks.db SQLite database using bookmarks.sql
    # could prompt for settings or take them on the command line
    $ bkmk start
    # starts up the server using starman, by default on port 5000
    $ bkmk stop
    # stops the running server