Add bin_to_str and file_line_bin key generators
Add bin_to_str and file_line_bin key generators

fogfish/basho_bench,mrallen1/basho_bench,GabrielNicolasAvellaneda/basho_bench,marksteele/basho_bench,marksteele/basho_bench,marksteele/basho_bench,fogfish/basho_bench,linearregression/basho_bench,basho/basho_bench,GabrielNicolasAvellaneda/basho_bench,GabrielNicolasAvellaneda/basho_bench,basho/basho_bench,GabrielNicolasAvellaneda/basho_bench,basho/basho_bench,mrallen1/basho_bench,linearregression/basho_bench,linearregression/basho_bench,mrallen1/basho_bench,marksteele/basho_bench,linearregression/basho_bench,mrallen1/basho_bench,fogfish/basho_bench,fogfish/basho_bench,basho/basho_bench