New cxs v5.28

Changes:

• Added new option –[no]ssl. When enabled (the default) all cxs URL functions, such as updating, bayes corpus retrieval and license checking will be done over an SSL connection to ConfigServer servers
• Added /var/run/clamd.scan/clamd.sock as another default clamd socket location for –clamdsock [socket]
• Added unsupported option –YSKIPCGI. See POD for more information
• Exploit regex definitions database additions
• Exploit fingerprint definitions database additions