Ctor for UpperText and LowerText

See #907, release log:

• d13c9cc by @llorllale: (#907) New ctors for LowerText...
• c6ca6d1 by @rultor: Merge branch '__rultor'
• 7d5974a by @Vatavuk: #881 puzzle format fix
• 7cbc072 by @Vatavuk: #881 added puzzle
• d4538f8 by @Vatavuk: #881 rev comments
• 76857ae by @rultor: Merge branch '__rultor'
• 1d88caf by @Isammoc: Enforce immutability of Iterab...
• b421f88 by @neonailol: #704 - Enforce failure reasons...
• a1e27f3 by @rultor: Merge branch '__rultor'
• 29244b5 by @llorllale: Checkstyle fix for #900
• e4e088b by @llorllale: Javadoc fix for #900
• f82ec74 by @rultor: Merge branch '__rultor'
• 8684193 by @llorllale: javadoc fix for #871
• 995eb06 by @rultor: Merge branch '__rultor'
• 9078a94 by @llorllale: Removed unecessary dependency ...
• 688d6d5 by @pbenety: (#829) Fix PR issues
• 0284285 by @pbenety: (#829) Turn AndInThreadsTest S...
• 4cf47f1 by @rultor: Merge branch '__rultor'
• 4740927 by @rultor: Merge branch '__rultor'
• d51aa6b by @Vatavuk: #881 removed puzzle
• and 9 more...

Released by Rultor 1.67.4, see build log