v0.7.0

What's Changed

• use ControlPacketCodec by @Kumassy in #52
• Multiple L4 connections over single tunnel by ControlPacketV2 by @Kumassy in #53
• Enhance log output by @Kumassy in #54
• Calculate RTT by @Kumassy in #58
• Add guest address info to client by @Kumassy in #59
• Add auto reconnection by @Kumassy in #60
• Release 0.7.0 by @Kumassy in #61

Full Changelog: v0.6.0...v0.7.0