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
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