v2.4.0

Features

• dht: support bep33 in the mainline implementation (aa204ab)
• metainfo: add json and mapstructure tags to metainfo structs (e7a6d67)

Bug Fixes

• dht: handle temporary closed channels in the event loop (dc18025)
• sqlite3: improve error handling in DoesTorrentExist function (6bc0f00)
• web: limit request body size in apiTorrents and apiTorrentsTotal handlers (99cdf05)

Performance Improvements

• merkle: optimize merkle hashing and test coverage (70a2f4f)