Fixed the toString() method because there was an off by one error with the final word in the sentence. 
Fixed the toString() method because there was an off by one error with the final word in the sentence. 

git-svn-id: 113d22c177a5f4646d60eedc1d71f196641d30ff@1076 0ae5e6b2-d358-4f09-a895-f82f13dd62a4

thammegowda/incubator-joshua,lukeorland/joshua,gwenniger/joshua,fhieber/incubator-joshua,thammegowda/incubator-joshua,thammegowda/incubator-joshua,lukeorland/joshua,thammegowda/incubator-joshua,kpu/joshua,fhieber/incubator-joshua,thammegowda/incubator-joshua,lukeorland/joshua,fhieber/incubator-joshua,kpu/joshua,fhieber/incubator-joshua,thammegowda/incubator-joshua,kpu/joshua,lukeorland/joshua,gwenniger/joshua,lukeorland/joshua,thammegowda/incubator-joshua,fhieber/incubator-joshua,fhieber/incubator-joshua,gwenniger/joshua,gwenniger/joshua,fhieber/incubator-joshua,gwenniger/joshua,thammegowda/incubator-joshua,kpu/joshua,fhieber/incubator-joshua,gwenniger/joshua,lukeorland/joshua,kpu/joshua,lukeorland/joshua,thammegowda/incubator-joshua,fhieber/incubator-joshua,lukeorland/joshua,lukeorland/joshua,kpu/joshua,thammegowda/incubator-joshua