V1.5.0

• Sync wallets when importing (#503)
• Support auditor wallet async import with blockchain sync (#538)
• Syncing delete wallet and import wallet actions (#527)
• Adding state to task status in get_task_status and get_tasks endpoints (#537)
• Improved funding implementation for NexLedger connector (#535)
• Improved task logging (#529)
• Report tx_hash from transactions instead of tasks (#526)
• Looping note selection mechanism to select smaller notes when possible (#523)
• Structured logging (#522)
• Checking validity of outgoing note before broadcast (#507)
• Configurable sleep retry interval for blockchain listener (#511)