field missionType changed to Class instead of String
New history items now store their mission type as class
First simple layout for history textitems
String resources for multiplechoice question and questionandanswer missions reworked in english
String resources for multiplechoice question and questionandanswer missions reworked in german
History item modifer introduced
getlastitem method added
documented, cleaned and modifier set
access method for private static fields added
history calls adopted to new constructors
cleaned and partly implemented history
completely new tests now covering most function incl history
test game for multiplechoice renewed