module LHC::BasicMethodsConcern::ClassMethods

def parallel_requests(options)
  hydra = Typhoeus::Hydra.new # do not use memoization !
  requests = []
  options.each do |option|
    request = LHC::Request.new(option, false)
    requests << request
    hydra.queue request.raw unless request.response.present?
  end
  hydra.run
  requests.map(&:response)
end