v0.3.1

What's Changed

• Add note, extent header check, update HL view by @george0st in #211
• Add sentences by @george0st in #212
• Complex tune by @george0st in #213
• Add tests by @george0st in #214
• Tune doc by @george0st in #215
• Improve tests by @george0st in #216
• Extend transactions by @george0st in #217
• Improve generation of transactions by @george0st in #218
• Addition income (transactions) by @george0st in #219
• Prepare for outgoing payments by @george0st in #220
• Add outgoing transactions by @george0st in #221

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