Revert "Fix documentation. (#751)"
Revert "ACME modules: simplify code, refactor argspec handling code, move csr/csr_content to own docs fragment (#750)"
Revert "Refactor and extend argument spec helper, use for ACME modules (#749)"
Revert "Avoid exception if certificate has no AKI in acme_certificate. (#748)"
Revert "ACME: improve acme_certificate docs, include cert_id in acme_certificate_renewal_info return value (#747)"
Revert "Add acme_certificate_renewal_info module (#746)"
Revert "Refactor time code, add tests, fix bug when parsing absolute timestamps that omit seconds (#745)"
Revert "Add tests for acme_certificate_deactivate_authz module. (#744)"
Revert "Create acme_certificate_deactivate_authz module (#741)"
Revert "acme_certificate: allow to request renewal of a certificate according to ARI (#739)"
Revert "Implement basic acme_ari_info module. (#732)"
Revert "Add function for retrieval of ARI information. (#738)"
Revert "acme module utils: add functions for parsing Retry-After header values and computation of ARI certificate IDs (#737)"
Revert "Implement certificate information retrieval code in the ACME backends. (#736)"
Revert "Split up the default acme docs fragment to allow modules ot not need account data. (#735)"
This reverts commits 5e59c5261e, aa82575a78,
f3c9cb7a8a, f82b335916, 553ab45f46,
59606d48ad, 0a15be1017, 9501a28a93,
d906914737, 33d278ad8f, 6d4fc589ae,
9614b09f7a, af5f4b57f8, c6fbe58382,
and afe7f7522c.
* Fix quick_is_not_prime() for small primes. Add some tests.
* Fix return value of convert_int_to_bytes(0, 0) on Python 2.
* Add some more test cases.
* Simplify the changelog and point out that these errors only happen for cases not happening in regular use.
