added replace and add attributes, updated help text for 1.0 release
added replace and add attributes, updated help text for 1.0 release

asolfre/typica,google-code-export/typica,manishsat/typica,rajatdt/typica,onerandomgig/typica,maheshwarirohit87/typica,Rupesh029/typica,MrYoung3/typica,canwe/typica,online-java-training/typica