Non-MH testbench.
Put church in working dir.
gitignore pass
Function to list Church primitives.
Remove test from shred.js
Don't put list_primitives in what should be input data.
Export basic Shred functions.
Generating traced builtins.
WebChurch compatibility for final-tagless interpretations.
Make traced_builtins refer to WebChurch builtins directly.
Should be outputting the correct format now.
Determine num_args dynamically
Patch in tracing-compatible versions of primitives.
Also output the trace.