weather station correction

git-svn-id: svn://svn.code.sf.net/p/fhem/code@5262 2b470e98-0d58-463d-a4d8-8e2adae1ed80
00_TCM: internals added

git-svn-id: svn://svn.code.sf.net/p/fhem/code@5263 2b470e98-0d58-463d-a4d8-8e2adae1ed80