Added comments about reader-writer-method-class-... components in phase 1.
Added comments about reader-writer-method-class-... components in phase 1.

clasp-developers/SICL,vtomole/SICL,clasp-developers/SICL,clasp-developers/SICL,vtomole/SICL,clasp-developers/SICL,vtomole/SICL,vtomole/SICL