development step, renamed FileClass into FileClassContainer
still not clear how to structure the code
added new FIleClass object
added unittest for FileClass object
added subclass that inherits from FileClass
still under development
added subclass type to print-outs
Solved, init function for FileClass
added insertFile as first function to subclass FileClassResults
added clear function, added test cases for clear()
added new template file for output format
changed init function for FileClassResults to expecting a FileClass object
instead of single arguments
changed object FileClass so that it makes use of FileClassResults
added specialized __str__ function to subclass
fixed integration of new FileClassResults methods
removed trailing spaces
Added others to __str__ method
fixed print format for __str__
Merge branch 'feat-SubClassFileClass' into develop
fixed unit test case for FileWalker
merge the FileWalker fix
fixed main class in order to use revisied FileClass model