def search(*params, &block)
      options = {:query => {}}
      options[:query] = params[0] if params.length > 0      
      response = self.class.get "/contractors/#{keywords.join(', ')}", options
      yield(response) if block_given?
      response
    end
def search(*params, &block)
      options = {:query => {}}
      options[:query] = params[0] if params.length > 0      
      response = self.class.get "/contractors/#{keywords.join(', ')}", options
      yield(response) if block_given?
      response
    end
GET /contractors