1.4.0
=====
2017-05-11
Switched to ZUGFeRD extended, new all-in-one jar including dependencies, 
switch to Apache PDFBox 2.0. Some bugfixes. 
Thanks to AlexanderSchmidt and yankee42. 

1.3.1
=====
2016-06-01
 
1.3.0
=====
2016-03-15

1.2.0
=====
2015-10-15

1.1.2
=====
2015-06-15

1.1.1
=====
2015-03-31

1.1.0
=====
2014-12-07

1.0.0
=====
2014-05-22