HTTPConnectionImpl: updated KeepAlive to work with other responseCodes as well

git-svn-id: svn://svn.appwork.org/utils@2107 21714237-3853-44ef-a1f0-ef8f03a7d1fe
Added Basic HDS Support. Encrypted HDS is not supported!

git-svn-id: svn://svn.appwork.org/utils@2108 21714237-3853-44ef-a1f0-ef8f03a7d1fe
ExtTable: added isWrapAroundEnabled for up/down keys

git-svn-id: svn://svn.appwork.org/utils@2109 21714237-3853-44ef-a1f0-ef8f03a7d1fe