class BlankSlate
def self.hide(name)
    if instance_methods.include?(name.to_s) and name !~ /^(__|instance_eval)/
        @hidden_methods ||= {}
        @hidden_methods[name.to_sym] = instance_method(name)
        undef_method name
    end
end
  instance_methods.each { |m| hide(m) }
end