Separated the json(3) code into json.parse and json.stringify files.
Converted json private method names to match the current convention.
Removed references to root_type in json.parse.
Work on the logic for testing whether variables exist in the
json.stringify implementation.
Work on the basic json.stringify logic.
Ongoing work on the json.stringify tests.
Added boolean and integer tests to json.stringify tests and added a fix
to console(3) when printing values with hyphens.
Added tests for json regexp number matching and encoding numeric values.
Added excaping of quotes (") to json.stringify.
Added handling of newline characters to the json.stringify tests.
Ongoing work on handling escaped new lines.
Got newlines working escaped and unescaped with json.stringify.
Added a test for literal \t escape sequence.
Added invalid json test files and added a test using `jsonlint` to
verify that valid json is valid and invalid json is invalid.
Commented out invalid test in json.test.
Moved pretty print tests into json.stringify.test.
Migrated all json.stringify tests from json.test to json.stringify.test.
Fixed console test failures introduced by adding escaping of hyphens to
console.sprintf.
Added bug information on leading hyphens to console(3).
Added jsonlint(1) information to the readme.