CVS commit by cniehaus: 

update the documentation (doxygen)


  M +84 -3     element.h   1.1.2.5
  M +8 -8      kalzium.h   1.29.2.19
  M +67 -31    pse.h   1.1.2.6
  M +2 -2      quiz.cpp   1.1.2.3
  M +54 -13    quiz.h   1.1.2.3