Start of C version, box split code nearly there.
Working version of getting boxes in C.
More code implementations.
Improve variable names.
Push molevelset along.
Nearly there c-version.
Creates levelset estimate and args structs.
C version compiles and loads.
Runs, results dubious.
Possibly working version.
Small tweaks + adds graphs and example file.
Cleanup R files.
Clean up plotting.