PHTV: fix for unsupported API commands

git-svn-id: svn://svn.code.sf.net/p/fhem/code@5169 2b470e98-0d58-463d-a4d8-8e2adae1ed80
PHTV: Change default timeout from 3 to 7 seconds

git-svn-id: svn://svn.code.sf.net/p/fhem/code@5170 2b470e98-0d58-463d-a4d8-8e2adae1ed80