Added removal of zip/cplusplus.*.zip to icmake/svnclean
7.0.1 Release tag
Updated changelog
Repaired split index entries, added icmake/svnclean for local use
yo/history.yo updated to 7.0.1
Further refinements to string/members
minor text repairs
Processed remarks by Edward Welbourne
Processed ESR's remarks
Processed esr's remarks up to chapter 14