def clients(options = {})
      post("/clients", options)["clients"].map {|obj| Hashie::Mash.new obj }
    end
def clients(options = {})
      post("/clients", options)["clients"].map {|obj| Hashie::Mash.new obj }
    end
The clients method will return a list of all clients
 and can only be accessed by admins on the subscription.

 Optional paramaters:
   open => [true|false]