The InstanceMethods module inside ActiveSupport::Concern.. Deprecation WarningI have a portfolio website built in Sinatra. I haven't worked on it for a while, been doing some Rails. I updated my gem list yesterday by running 'gem update'. I don't know if this has anything to do with that, but I started working on the portfolio website again today and I've been getting some deprecation warnings. DEPRECATION WARNING: The InstanceMethods module inside ActiveSupport::Concern wi
