framework for easy creation of Enterprise Application Integration tasks

Changes for 1.901

• added splitcharacter in checkLogExist, autoflush to log file appender handle, include 1 before to indicate overflow in EAI::DateUtil::get_curtime, improved remoteDir setting in EAI::FTP, fixed and enhanced doAddtlProcessing in EAI::File::writeText, added enforceConn to EAI::Wrap::openDBConn and EAI::Wrap::openFTPConn