Added default language; had to remove weird 'in do' style in a few pl…

…aces

Bump version to 0.7.4 and update changelog.

Bump version to 0.7.3 and update changelog.

Bump version to 0.7.2 and update changelog.

Bump version to 0.7.1 and update ChangeLog.

Bump version to 0.7.0 and update ChangeLog.

Bump version to 0.6.6 and update changelog.

Bump version to 0.6.5 and update changelog.

Monitor the NC and handleIncomingMessages.

Monitor the NC and handleIncomingMessages.