0.03 2020-12-22T13:19:25+01:00
 - Add check for objects to print.
 - Add documentation.
 - Remove TODOs from Print doc.

0.02 2020-12-19T11:38:38+01:00
 - Add basic tests.
 - Improve printing of Catalog to way, that no printing of users and
   month/year if doesnt' exist.
 - Optimization in creating of Indent object.

0.01 2020-12-19T11:10:18+01:00
 - First version.