v0.9.0

What's Changed

• Update sha1 requirement from 0.10.6 to 0.11.0 by @dependabot[bot] in #56
• Update sha2 requirement from 0.10.6 to 0.11.0 by @dependabot[bot] in #56
• Corrected uTP connection order by @yoep in #62
• Implemented BEP55 - The HolePunch extension by @yoep in #64
• Embedded bencode serialization & deserialization by @yoep in #65
• Updated peer context to dedicated tasks
• Improved peer extension performance and introduced peer extension tick

Full Changelog: v0.8.0...v0.9.0