now we can map all strings to all strings
documentation in space.h need to be updated yet
git-svn-id: svn://ttmath.org/publicrep/pikotools/trunk@407 e52654a7-88a9-db11-a3e9-0013d4bc506e
with O(1) algorithm for converting from time_t (seconds from Unix epoch)
git-svn-id: svn://ttmath.org/publicrep/pikotools/trunk@405 e52654a7-88a9-db11-a3e9-0013d4bc506e