Delphi 7 compatibility fix : handle "TStringList.StrictDelimiter" + test

git-svn-id: http://svn.code.sf.net/p/lazarus-ccr/svn@3474 8e941d3f-bd1b-0410-a28a-d453659cc2b4
Lazarus trunk fix (Thanks Juha Maninnen)

git-svn-id: http://svn.code.sf.net/p/lazarus-ccr/svn@3475 8e941d3f-bd1b-0410-a28a-d453659cc2b4