阿里云消息服务MNS GO语言封装

改动:

Name		Name	Last commit message	Last commit date
Latest commit History 2 Commits
.gitignore		.gitignore
LICENSE		LICENSE
README.md		README.md
client.go		client.go
credential.go		credential.go
decoder.go		decoder.go
errors.go		errors.go
message.go		message.go
queue.go		queue.go
queue_manager.go		queue_manager.go
topic.go		topic.go
topic_manager.go		topic_manager.go
utils.go		utils.go

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