Tagged version 1.4.4

- fix: fixed mouse and tooltip coordinates in scrolled CGI

- fix: fixed lmdb read/write locking
- new: added --dry-run option to 'duc index' for testing purposes

Bumped version to 1.4.2

Bumped version to 1.4.1, updated changelog

Bumped version to 1.4.0, updated docs

Bumped version to 1.3.3

Bumped version too 1.3.2

Bumped version to 1.3.1, updated changelog

Bumped version to 1.3

Updated version number to 1.2, updated changelog