minor code cleaning

git-svn-id: http://svn.miranda-ng.org/main/trunk@5424 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
- indexes replaces with pointers;
- members' name normalization

git-svn-id: http://svn.miranda-ng.org/main/trunk@5425 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
- all manual list locks removed;
- ListExists removed and replaced with ListGetItemPtr;
- code cleaning

git-svn-id: http://svn.miranda-ng.org/main/trunk@5426 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
code cleanup

git-svn-id: http://svn.miranda-ng.org/main/trunk@5427 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c