Add a benchmark for inference.
Update ,log to handle multiple loggers.
lazy-require ~a
Fix printing to match the desired format.
Flush output for testing
Extend timeout
use Menlo as the default font, when it is available
add some knobs to draw-arrow
make the backtrace arrows scale with the font size

also tweak the drawing slightly so that when it does
scale it looks better
Add loop function in cgen/arr in preparation for refactoring.
Move common checks out of loop in cgen/arr.
Switch input from arities to sequences.
Split out loop and rename it cgen/seq.
Make cgen/seq take its args in the correct order.
Cleanup some cases of cgen/seq.
Make value inference just delegate to sequence logic.
Make dotted functions of the same bound correctly be inferred.
Fix uniform arg checking, and minor cleanup.
Fix dotted <: starred case.
Make list inference code be shared with sequence code.