SendString invented / BugFixes
iTelexReceiver und iTelexSender moved to 'tools', new example iTelexEcho
zusätzlicher Bu Vorspann und Nachspann
some experiments
Improved makefile to compile from scratch
Small corrections
Bugfix for small values of UnprintedLimit, Timer output for debugging
Preparation for timestamp in logging
Implemented options for logging levels and output redirection
