bugfix: derivation of FP_name

git-svn-id: svn://svn.code.sf.net/p/fhem/code@4609 2b470e98-0d58-463d-a4d8-8e2adae1ed80
improve autoReadReg level 5

git-svn-id: svn://svn.code.sf.net/p/fhem/code@4610 2b470e98-0d58-463d-a4d8-8e2adae1ed80
docu fix


git-svn-id: svn://svn.code.sf.net/p/fhem/code@4611 2b470e98-0d58-463d-a4d8-8e2adae1ed80
added 38_CO20.pm


git-svn-id: svn://svn.code.sf.net/p/fhem/code@4612 2b470e98-0d58-463d-a4d8-8e2adae1ed80
fixed source reference


git-svn-id: svn://svn.code.sf.net/p/fhem/code@4613 2b470e98-0d58-463d-a4d8-8e2adae1ed80