Release 0.0.27

See #602, release log:

• 42e5633 by @rultor: 0.0.28-SNAPSHOT
• b77f8fb by @amihaiemil: #603 UnassinTask removes the I...
• 8678a79 by @amihaiemil: Merge pull request #605 from a...
• abdc88f by @amihaiemil: #604 StripeWallet implemented ...
• 5f251f5 by @amihaiemil: Update .0pdd.yml
• ca025e0 by @amihaiemil: Merge remote-tracking branch '...
• 42efc09 by @amihaiemil: puzzle

Released by Rultor 1.69.1, see build log