New csf v3.05

Changes:

• Added perl regex checking to csf.pignore with the new options puser, pexe and pcmd. Text added to csf.pignore for new installations:

# Or, perl regular expression matching (regex):## pexe:/full/path/to/file as a perl regex[*]# puser:username as a perl regex[*]# pcmd:command line as a perl regex[*]## [*]You must remember to escape characters correctly when using regex’s, e.g.:# pexe:/home/.*/public_html/cgi-bin/script\.cgi# puser:bob\d.*# pcmd:/home/.*/command\s\to\smatch\s\.pl\s.*