Release 0.0.91

See #1218, release log:

• 32a2e0f by @rultor: 0.0.92-SNAPSHOT
• 5ac847a by @amihaiemil: Merge pull request #1216 from ...
• cb142f6 by @amihaiemil: #1215 puzzle to continue
• 2230f93 by @amihaiemil: #1215 catch and log RuntimeExc...
• 9f9b2d3 by @amihaiemil: #1215 catch and log RuntimeExc...

Released by Rultor 1.69.1, see build log