Fix partitioned seq int gen leaving some keys out
Fix partitioned seq int gen leaving some keys out

Fixes #75
For example, with 12 workers and 100 keys, it leaves the 4 last keys out
(100 rem 12).  This makes those keys (at most # of workers) be given to
the last worker.

fogfish/basho_bench,mrallen1/basho_bench,GabrielNicolasAvellaneda/basho_bench,marksteele/basho_bench,basho/basho_bench,SyncFree/basho_bench,leo-project/basho_bench,leo-project/basho_bench,fogfish/basho_bench,windkit/basho_bench,SyncFree/basho_bench,linearregression/basho_bench,windkit/basho_bench,marksteele/basho_bench,linearregression/basho_bench,marksteele/basho_bench,GabrielNicolasAvellaneda/basho_bench,Chyaboiii/basho_bench,fogfish/basho_bench,GabrielNicolasAvellaneda/basho_bench,marksteele/basho_bench,GabrielNicolasAvellaneda/basho_bench,basho/basho_bench,ricardobcl/basho_bench,Chyaboiii/basho_bench,basho/basho_bench,ricardobcl/basho_bench,mrallen1/basho_bench,fogfish/basho_bench,mrallen1/basho_bench,linearregression/basho_bench,mrallen1/basho_bench,basho/basho_bench,linearregression/basho_bench