New csf v6.04

Changes:
– Implement slurp routine for configuration files to cater for incorrect linefeeds
– Ignore leading and trailing spaces from lines in configuration files
– Fixed Include statements in csf.ignore not implemented in lfd
– Additional debug logging for RT_*_LIMIT added
– Replaced call to Time::HiRes::sleep with standard sleep
– Additional dovecot entries in csf.pignore for new installations