v1.2.2

What's Changed

• Improve read speed by @klauspost in #361
• Create 0 size byte slices on allownil []byte elements by @klauspost in #363
• Add compactfloats directive for lossless float64 -> float32 conversion by @klauspost in #366
• Add native json.Number support by @klauspost in #364

Full Changelog: v1.2.1...v1.2.2