Fix sql statement in tl_settings

This Version fix a missing word "default" in the SQL statement of the field subject.

0.0.5

This version fix a couple of problems, as well support a new template if now invoices are created. The autoload.php and autoload.ini are removed.

German translation is also added as well.

0.0.4

0.0.4

0.0.3

0.0.3