git-svn-id: https://fhem.svn.sourceforge.net/svnroot/fhem/trunk/fhem@2445 2b470e98-0d58-463d-a4d8-8e2adae1ed80
don't log further error messages if device is still not reachable - part 1 of 2


git-svn-id: https://fhem.svn.sourceforge.net/svnroot/fhem/trunk/fhem@2446 2b470e98-0d58-463d-a4d8-8e2adae1ed80
Avoid "unused" message for set without argument with eventMap Attribute


git-svn-id: https://fhem.svn.sourceforge.net/svnroot/fhem/trunk/fhem@2447 2b470e98-0d58-463d-a4d8-8e2adae1ed80
Avoid unitialized message if the internal variable is undefined


git-svn-id: https://fhem.svn.sourceforge.net/svnroot/fhem/trunk/fhem@2448 2b470e98-0d58-463d-a4d8-8e2adae1ed80
Avoid uninitialized message for internal hash entry with undefined value


git-svn-id: https://fhem.svn.sourceforge.net/svnroot/fhem/trunk/fhem@2449 2b470e98-0d58-463d-a4d8-8e2adae1ed80
Added optional loglevel parameter


git-svn-id: https://fhem.svn.sourceforge.net/svnroot/fhem/trunk/fhem@2450 2b470e98-0d58-463d-a4d8-8e2adae1ed80
don't log further error messages if device is still not reachable - part 2 of 2


git-svn-id: https://fhem.svn.sourceforge.net/svnroot/fhem/trunk/fhem@2451 2b470e98-0d58-463d-a4d8-8e2adae1ed80
fixing creating cache values even when cache is disabled


git-svn-id: https://fhem.svn.sourceforge.net/svnroot/fhem/trunk/fhem@2452 2b470e98-0d58-463d-a4d8-8e2adae1ed80