Introduce a Path class
Give up Path conversion method and rename to Path.convert
Better Path equality method
A MenuItem object accepts many paths
Introduce Path into MenuItem
Make a temporary mess, so has_path? works with restful paths
Remove superfluous methods after feature is OK
Path.convert considers a last resource
Ensure request detection works if a request is available in the context
Require path.rb in the main load file
Add a global conversion method, subject to change
Add a README describing the new feature
Make Menu#add interface accept multiple paths