- Uses the Zeller's congruence algo (with Michael Keith’s simplification) for Gregorian dates.

* writergate part 2

* small edits

feat(context): :sparkles: adds Context that provides deadline based cancellation and timeouts.

chore(ulid): added ULID variant

Help consume duplicate header names (i.e. Set-Cookie)

Makes it easy to create recurring tasks.

json parse for UUID type

Fixes:
https://github.com/karlseguin/zul/issues/5

Missing trailing double quote

https://github.com/karlseguin/zul/issues/3

fix build.zig for latest zig#master

Parsing json uses rfc3339 now. This makes it consistent with zul.Time and
zul.DateTime

The initially provided URL is kept as-is. Any query parameters added via
the query() method are encoded as needed.

When scanning json, use nextAlloc rather than next, so we get a full token.

fix OpenDirOptions.iterate=true to prevent panic in fs.cwd().openDir().iterate()