constant string objects instead of C strings where appropriate.
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@804 72102866-910b-0410-8b05-ffd578937521
of +newWithCoder where appropriate. Remove arguments typed
(Coder*). Replace +_newCollectionWithCoder with
-_initCollectionWithCoder.
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@334 72102866-910b-0410-8b05-ffd578937521