def to_hash
      services_hash = Hash.new
      services.sort.each do |svc|
        services_hash["#{svc.name}"] = svc.status
      end
      h = {:name => name, :status => status, :created_at => created_at, :updated_at => updated_at, :services => services_hash}
      super.merge(h)
    end
@return [Hash] A hash representation of a {Host}