4 - changed license from GPL V2 to GPL V3, license file changed
5 - some cleaner output of help, contact details changed
6 - "-l" parameter introduced to print license file
9 - adds a remark to logfiles if violations against the whitelist were found
10 - this remark was added to the whitelist ("logcheckprint")
14 - minor changes within debug mode, mail will not become sent in this mode anymore
15 - described regular expressions and their usage
19 - fixed mail addressing