Added comments explaining the arguments of the MCP routines.
Added comments explaining the arguments of the MCP routines.

mit-carbon/Graphite-Cycle-Level,fhijaz/Graphite,victorisildur/Graphite,mit-carbon/Graphite-Cycle-Level,8l/Graphite,8l/Graphite,victorisildur/Graphite,8l/Graphite,mit-carbon/Graphite,victorisildur/Graphite,mit-carbon/Graphite,fhijaz/Graphite,nkawahara/Graphite,mit-carbon/Graphite-Cycle-Level,nkawahara/Graphite,fhijaz/Graphite,8l/Graphite,nkawahara/Graphite,nkawahara/Graphite,mit-carbon/Graphite,mit-carbon/Graphite-Cycle-Level,fhijaz/Graphite,victorisildur/Graphite,mit-carbon/Graphite