A couple of runner job polling optimizations for multicore machines. closes #10.
A couple of runner job polling optimizations for multicore machines. closes #10.

tonchidot/testbot,tonchidot/testbot,nritholtz/testbot,uchihara/testbot,joakimk/testbot,joakimk/testbot,uchihara/testbot,mhama/testbot,mhama/testbot,nritholtz/testbot