[CMake] CPack ignore parameter

[Hendrik Belitz]

So the following

SET(CPACK_SOURCE_IGNORE_FILES
"/^CPack.*/"
"/.*\\\\.kdev.*/")

should result in ignoring all files Starting with 'CPack' or containing 
'.kdev', right? But why does this not lead to exclusion of files like

'CPackConfig.cmake'

or

'myproject.kdevses' ?