get string.'%' working
bring back any terp overhead
run bench in terp environment
represent primitives as native Python types
use primitive_method_tables -- less duplicate code, if no faster
make bool type a bare primitive too. Doesn't seem a speed win, but it's more consistent with the other primitive types.
do call() with .get() instead of KeyError. A little faster in py3, seems a wash otherwise.
tweak comment
start of compiler to Python, non-working