v0.1.21

• Fixed miner crash during stop
• Fixed incorrect hash distribution for some pool
• Fixed identity search
• Fixed and improved coin and hash history graph for xcoord label
• UI Improvement
  • Improved hashrate display unit
  • Button padding removed, set as bottom app button
  • Some error messages update
  • Improved app info popup
  • Verifier tool form verify button design update
  • Device info mineable text status improved