| CommandParameter | 
 This is the abstract basics class for CommandParameter
 Never leave identifier and description arguments for the constructor
 empty, they can not be changed afterwards 
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| CustomStringListCommandParameter | 
 This class extends the string list command parameter with functionality
 to define valid strings with regular expressions. 
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| FileListCommandParameter | 
 This parameter holds a file-list of possible arguments 
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| IntegerCommandParameter | 
 This parameter holds a number-interval of possible arguments 
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| SelectionCommandParameter | 
 This class expands the CommandParameter with a selection-array containing
 strings the parameter supports 
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| StringListCommandParameter | 
 This class models a string list command parameter for 
  Work-in-Progress, do not use! 
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