Faster bignum division convergence, avoiding pathologically
slow cases on 32-bit machines.
Fixing overflow detection when reading hex bignums.
Including content-length automatically in POST requests.
Fixing bitwise-and for negative bignums
(necessary for sha2 implementation on 32-bit machines).
Adding trailing newline.
Making default key size 512 bits for now.
Updating recent contributors.
Tweaks to the manual.
Documenting options.
Adding more default tests.
run-application takes an optional initial config argument