Log Message:
tex-mcf2graph{,-doc}: update to 4.87

4.87
-change format of mcf_library.mcf
-change output file name
-update MCF manual,example

4.86
-fix bug in function mc_query()
-update mcf_library.mcf

4.85
-fix bug in function mc_query()
-update mcf_library.mcf
-update MCF manual