Reduced Integer allocations.

Elapsed times in milliseconds: 
   53476 : Total run time
   2 : Set WorkerJob & make Worker files
   20607 : Read Worker input files
   19392 : Worker Garbage Collection
   12652 : Computation
   506 : average per super step 
   800 : Write Worker output files
Saved more allocations, and fixed epic fail graph instantiation. 

Elapsed times in milliseconds: 
   37570 : Total run time
   2 : Set WorkerJob & make Worker files
   12837 : Read Worker input files
   11386 : Worker Garbage Collection
   13047 : Computation
   521 : average per super step 
   275 : Write Worker output files
Saved more allocations, and fixed epic fail graph instantiation. 

Elapsed times in milliseconds: 
   37570 : Total run time
   2 : Set WorkerJob & make Worker files
   12837 : Read Worker input files
   11386 : Worker Garbage Collection
   13047 : Computation
   521 : average per super step 
   275 : Write Worker output files