[cvs-nhc98] For portable tracing: completed Prelude and added the easy

olaf: Fri Mar 8 12:41:52 CET 2002 Update of /usr/src/master/nhc/src/hat/lib In directory hinken:/tmp/cvs-serv583/src/hat/lib Modified Files: Makefile PreludeBasic.hs Added Files: ComplexTracing.hs MaybeTracing.hs MonadTracing.hs NumericTracing.hs RatioTracing.hs Log Message: For portable tracing: completed Prelude and added the easy standard libraries.