removed old code. will not be usefull in new version
refactored / rewritten menutypes classes and their tests
printer objects now use MenuPath namedtuple
refactored printers classes.
more desriptive variable name
added exceptions module
added StopWatch class as context tool.
will be usefull to measure execution time
added MenuPath namedtuple
added different configurators classes
renamed module ctxtools to tools
renamed test module
added version compare function and unit tests