v0.3.1 Follow ups and bug fixes

A bunch of follow up changes from v0.3.0, mostly fixing some things missed in labeling as well as fixing up some of the new logging stuff to be more usable.

What's Changed

• Remove extra redshift start by @benthecarman in #474
• Use get_node() in start_redshifts() by @benthecarman in #476
• Add more tests around fee estimation by @benthecarman in #481
• Only log to storage if log is debug or higher by @TonyGiorgio in #484
• Segregate testing databases for concurrency runs by @TonyGiorgio in #485
• Label address properly in create_bip21 by @benthecarman in #487
• Expose get and set invoice labels by @benthecarman in #488
• Storage logging more by @TonyGiorgio in #489
• Add background logging with normal ldk logger by @TonyGiorgio in #490
• Send a keep alive to multisocket connector by @TonyGiorgio in #492
• Put labels in MutinyInvoice and transactionDetails by @benthecarman in #491

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