Changes:

- New feature added - LF_DIST_INTERVAL. This option provides a separate timing interval for both LF_DISTFTP and LF_DISTSMTP. By default it is set to 300 seconds

- Implemented better handling of repeat blocks when an IP is already temporarily or permanenetly blocked

- Added missing inclusion of Time::HiRes in csf.pl

- Silence LF_DISTFTP and LF_DISTSMTP ignored IP logging to lfd.log unless DEBUG enabled

- Silence DYNDNS IP address updates to lfd.log unless DEBUG enabled

- RELAYHOSTS setting now defaults to "0" to improve security on cPanel servers

- Increased default value of DENY_IP_LIMIT to 200