first version of own command-line parser
long names parsing added
added support for string and int arguments
refactored argument parsing
added default values
split into different files
more on diagnostics
deleted unused Class1
refactorings
added test for list arguments; refactorings
added actual argument type
introduced option classes
refactored argument classification
parsing of enumerable args working
splitted multiple classes into single files
added list support
added comments
added support for unbound arguments
cleanup unused namespaces
first working version of verb options