Add array type to protocol
Add array type to protocol

This adds the array type. It was adapted from a patch on the original
py-amqp google code repo
http://code.google.com/p/py-amqplib/issues/detail?id=38

smurfix/aio-py-amqp,dallasmarlow/py-amqp,yetone/py-amqp,dims/py-amqp,dims/py-amqp,dallasmarlow/py-amqp,jonahbull/py-amqp,yetone/py-amqp,jonahbull/py-amqp,smurfix/aio-py-amqp