Before:

PS C:\Users\micro\Documents\GitHub\safe_wren> python3 util\benchmark.py -l safe_wren
binary_trees - safe_wren       .......... 5.66s 0.4532 no baseline
fib - safe_wren                .......... 9.22s 0.2789 no baseline
for - safe_wren                .......... 2.85s 0.0402 no baseline
map_string - safe_wren         .......... 0.98s 0.0745 no baseline
string_equals - safe_wren      .......... 6.94s 0.1870 no baseline

After:
PS C:\Users\micro\Documents\GitHub\safe_wren> python3 util\benchmark.py -l safe_wren
binary_trees - safe_wren       .......... 2.37s 0.1554 no baseline
fib - safe_wren                .......... 3.19s 0.1235 no baseline
for - safe_wren                .......... 0.84s 0.0108 no baseline
map_string - safe_wren         .......... 0.38s 0.0043 no baseline
string_equals - safe_wren      .......... 2.04s 0.0386 no baseline
