Release 0.3.1 - Bugfix for trailing newline

LexC mode 2.7.1:
- Fixed missing trailing newline in lexicalise-missing output
- Ensures exactly one linefeed character at end of results

Dette kompletterer v0.3.0 med rett output-formatering.

Release 0.3.0 - LexC mode 2.7.0 with Divvun-SEE-helper support

Major improvements to LexC mode:
- External Divvun-SEE-helper.app bypasses macOS sandbox restrictions
- Words without suggestions are preserved in output
- Automatic cleanup of extra blank lines
- Fixed UTF-8 handling for Sámi special characters
- Installation check with helpful error messages

Technical changes:
- Clipboard-based IPC with base64-encoded JSON
- Uses original missing.py from giella-core
- Proper UTF-8 locale settings throughout

Requires: Divvun-SEE-helper.app installed in ~/Applications/
Available at: https://github.com/divvun/divvun-see-helper

increase version to 2.5.4

Increase version number

Fix two bugs, bump bugfix version

Update log file

Increase bundle version

Increase bundle version