PublicSuffixList: implementation of https://publicsuffix.org/list/

git-svn-id: svn://svn.appwork.org/utils@2104 21714237-3853-44ef-a1f0-ef8f03a7d1fe
git-svn-id: svn://svn.appwork.org/utils@2105 21714237-3853-44ef-a1f0-ef8f03a7d1fe
HTTPConnectionImpl: 
-updated KeepAlive to work on domain/ip's
-updated keepAliveCleanup

git-svn-id: svn://svn.appwork.org/utils@2106 21714237-3853-44ef-a1f0-ef8f03a7d1fe