add optional length to parseInt() and set result on success, remove unused stuff, avoid reading beyond eof, check divisor in StringDataField::derive(), fix for NumberDataField::writeSymbols()
add optional length to parseInt() and set result on success, remove unused stuff, avoid reading beyond eof, check divisor in StringDataField::derive(), fix for NumberDataField::writeSymbols()
added test for set, better error messages
started development of new Message class
better verify message
fixed getNextOffset() and added optional PartType argument, renamed pt_template to pt_any, added getPartType()
added check for prepare, print error pos
added data length