[WIP] Hide cluttery auto-generated Rails methods from Pry.

.pryrc

class ActiveRecord::Base
  alias :old_methods :methods
  def methods
    old_methods.reject do |m|
      m = m.to_s
      m =~ /(=|_changed\?|_before_type_cast|_was|_change|_will_change!)$/ || \
        m =~ /^_/
    end
  end
end