0.3.19

[bnogalm]

Version 0.3.19

• Support for Qt6, Tested with 6.7.2.
• Support for Qt5 is maintained.

From commits included

• Add memo support in Sep10Challenge
• SEP-10: muxed account and memo support
• Add 5 minute grace period to SEP-10 challenge parsing function
• Static methods Network::PUBLIC() and Network::TESTNET() to access public and testnet networks objects
• Fix transaction builder, allow to copy the object to complete the construction later.
• Correct serialization and construction of XDR objects:
  CreateClaimableBalanceResult
  ClawbackResult
  ClawbackClaimableBalanceResult
  SetTrustLineFlagsResult
  ClaimClaimableBalanceResult
  BeginSponsoringFutureReservesResult
  EndSponsoringFutureReservesResult
  RevokeSponsorshipResult
  -Test collectors continues on exception.
• Add claimablebalanceidtest
• Fix claimablebalanceid
• Add AccountConverter use to transactions and operations.
• Add Account constructor from Muxed and no muxed string accounts (M and G)
• Add helpers to obtain Claimable Balance IDs
• Enable mutex accounts
• Update StrKey with new methods
• Create AccountConverter
• Add QString Transaction::getClaimableBalanceId(int index)
• Add tests
• Reduced warnings