Add supported model P641HK1

I own this model the tool successfully initialized the previously none working  headphone jack.

Bump version to 0.13

shorten description in systemd unit file

Improve examples

Use ":" instead of "(...)" in debug messages

Show warning if deprecated force argument is used

Bumped version number to 0.8

Add missing models to README

Bumped version number to 0.6

Bumped version number to 0.5