Queues.messages() cannot get more than one message.

[Kimihiro Yamamoto]

Queues.messages() cannot get more than one message.
Queues.messages() that you input multiple id will return only a message corresponding to the last id.

python-zaqarclient ver. 0.1.0,
    zaqarclient.queues.v1.queues.messages()
    zaqarclient.queues.v1.queues.delete_messages()

Requests.session.request() uses a mistake with delimiter '&' and ','
so that the server can recognize only the last param (=id).

ids=5476ac8b60b1260bcb3cdd41&ids=5476ac8b60b1260bcb3cdd42

Only the message corresponding to 'ids=5476ac8b60b1260bcb3cdd42' will return.

Not only queues.messages() but also queues.delete_messages() is same.