Add note about important changes and update changelog for version 0.44.0.

Update changelog.

Some tiny code fixes.

[skip ci]

Boost deps

Another small additions and changes

Bump outdated PHPUnit version.
Add Travis CI webhook for Support Bot.

Update organisation links.

[skip ci]

No default commands

# Conflicts:
#	tests/unit/Commands/CommandTestCase.php

Misc additions/changes

Correct API key regex.

No default commands fix tests