#2 : Setter and Getter for Window-Transparency
#2 - Setter for "alwaysOnTop" returns the current state
#1: Consistent implementation for attribute "hidden" (Getter and Setter)

* Renamed internal method __hidden to __setHidden
* Renamed internal method __isHidden to __getHidden
* Removed obsolete function show - as this can is redundant to set the attribute obj.hidden := false
* Removed obsolete function hide - as this can is redundant to set the attribute obj.hidden := true
* Remoced toggle functionality - as this can is redundant to obj.hidden := !obj.hidden
#1: Consistent implementation for attribute "alwaysOnTop" (Getter and Setter)

* Renamed internal method __alwaysOnTop to __setAlwaysOnTop
* Renamed internal method __isAlwaysOnTop to __getAlwaysOnTop
* Reorganized some unit-Tests
#1: Consistent implementation for attribute "minimized" (Getter and Setter)

* Renamed internal method __minimize to __setMinimized
* Renamed internal method __isMinimized to __getMinimized
#1: Consistent implementation for attribute "maximized" (Getter and Setter)

* Renamed internal method __maximize to __setMaximized
* Renamed internal method __isMaximized to __getMaximized
#1: Reorganized documentation to work with GenDocs
#1: Consistent implementation for attribute "rolledup" (Getter and Setter)

* Renamed internal method __rollup to __setRolledUp
* Renamed internal method __isRolledUp to __getRolledUp
#1: Consistent implementation for attribute "pos" (Getter and Setter)

* Renamed internal method __pos to __getPos
* Implementend new setter __setPos
#1: Consistent implementation for attribute "title" (Getter and Setter)

* Renamed internal method __title() to __getTitle()
* Implementend new setter __setTitle()
#1: Consistent implementation for attribute "debug" (Getter and Setter)

* Implementend new getter __getDebug() from __debug()
* Implementend new setter __setDebug() from __debug()
#1: Consistent implementation for attribute "classname" (Getter only!)

* Renamed internal method __classname() to __getClassname()