0.15.0

• Windows: Increase size of possible payloads (Hannah von Reth vonreth@kde.org)
• KWallet: Increase timeout when opening wallet (David Faure david.faure@kdab.com)
• Haiku: Fix reading passwords (Joshua Goins josh@redstrate.com)
• Add unit tests (Hannah von Reth vonreth@kde.org)
• Windows build fixes (Nerixyz nerixdev@outlook.de)
• Fix translation creation (Christophe Marin christophe@krop.fr)