/usr/local/bundle/gems/posix-spawn-0.3.11/lib/posix/spawn.rb:467: warning: constant ::Fixnum is deprecated
/usr/local/bundle/gems/mdl-0.5.0/lib/mdl/cli.rb:148:in `block in toggle_list': undefined method `start_with?' for {:line_length=>120}:Hash (NoMethodError)
from /usr/local/bundle/gems/mdl-0.5.0/lib/mdl/cli.rb:148:in `select'
from /usr/local/bundle/gems/mdl-0.5.0/lib/mdl/cli.rb:148:in `toggle_list'
from /usr/local/bundle/gems/mdl-0.5.0/lib/mdl/cli.rb:131:in `run'
from /usr/local/bundle/gems/mdl-0.5.0/lib/mdl.rb:15:in `run'
from /usr/local/bundle/gems/mdl-0.5.0/bin/mdl:10:in `<top (required)>'
from /usr/local/bundle/bin/mdl:23:in `load'
from /usr/local/bundle/bin/mdl:23:in `<main>'