* additions to substrate-name processing
* new class 'OPM_MCP'
* new annotated() method for this class
* simplification of 'paren.sep' usage


git-svn-id: svn://svn.r-forge.r-project.org/svnroot/opm@566 edb9625f-4e0d-4859-8d74-9fd3b1da38cb