minor fixes. string search working on thousands of blocks
minor fixes. string search working on thousands of blocks

hanw/connectal,chenm001/connectal,csail-csg/connectal,hanw/connectal,csail-csg/connectal,csail-csg/connectal,chenm001/connectal,cambridgehackers/connectal,cambridgehackers/connectal,chenm001/connectal,csail-csg/connectal,cambridgehackers/connectal,hanw/connectal,cambridgehackers/connectal,hanw/connectal,cambridgehackers/connectal,hanw/connectal,csail-csg/connectal,chenm001/connectal,chenm001/connectal