1.0.20161216212910: Better errors (#234)

* Improve error reporting for expression evaluation.
* Connecting errors back to source file lines where possible.
* Better reporting on missing input files.
* Updating also should preserve line numbers as much as possible.

1.0.20161207161158

Pass fetcher_constructor to load_job_order. (#246)

1.0.20161206195941: Propagate custom fetcher_constructor to workflow steps (#243)

* Propagate custom fetcher_constructor to workflow steps, and custom urljoin in
scandeps.

1.0.20161202203310

Make fetcher and resolver configurable. (#240)

1.0.20161128202906: Skip calling debug statements with expensive json.dumps() (#238)

* Skip calling debug statements with expensive json.dumps() unless debugging is enabled.

* Add typeshed stubs for logging with isEnabledFor() bugfix.

1.0.20161122201220

Version limit schema-salad < 2 until able to merge version that works…

1.0.20161107145355: Correctly handle file and directory literals (#218)

* Correctly handle file and directory literals produced by expression tool in
output.

* Fix sandboxjs to use "docker images" before "docker pull" so it doesn't rely on
being online to use node:slim for JS evaluation.

1.0.20161007181528: Fix revmap (#206)

* Reverse mapping output file objects correctly handles "location" fields with
container-internal file:// references.

* Ensure that "location" field is URI with scheme and delete path field after
we're done with it.

1.0.20161005195021

Bump schema-salad version for validation bugfix (#204)

1.0.20160923180109

Scandeps should not recurse on "listing" field because it is copied e…