libpcp_web: wrap debug messages in pmDebugOptions.query, minor other changes
libpcp_web: wrap debug messages in pmDebugOptions.query, minor other changes

adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp