release/0.3.1

• updated dependencies
• changed some function names
• added request-response helper

Full Changelog: v0.3.0...v0.3.1

release/0.3.0

• added examples
• renamed method PublishOpts::data to PublishOpts::payload
• renamed method Publishopts::topic to PublishOpts::topic_name
• renamed method UnsubsribeOpts::topic to UnsubscribeOpts::topic_filter
• UserProperties form packets are now attached to MqttError debug info
• minot tweaks

release/0.2.0

• improve error messages on connection errors
• change SubscriptionOptions to SubscriptionOpts builder

release/0.1.1

Doc and readme fixes.

release/0.1.0

Init release.