Jsonpath.sh

Notable Changes
* Add option '-c' for dense/condensed output.
* Remove '-A' option - this is now the default.
* Add '-v' option to output the current version.
* JSON output now is the same as `jsonlint` output.
* Options can appear anywhere on the command line again, so all examples work.

**Full Changelog**: https://github.com/bashtools/JSONPath.sh/compare/v0.0.20...v0.0.21

This release addresses OS compatibility (for Mac), style and code cleanup.

This version is now available in pip and npm.

Many thanks to [lcn2](https://github.com/lcn2) from the [IOCCC](https://ioccc-src.github.io/temp-test-ioccc/index.html) for their contribution. And a big thank you to all past contributors.

What's Changed
* use grep -E, add Makefile, add -S, -A, -T options, fix ensure_deps.sh for macOS, fix command line parsing, make JSONPath.sh and test scripts robust by lcn2 in https://github.com/bashtools/JSONPath.sh/pull/16

New Contributors
* lcn2 made their first contribution in https://github.com/bashtools/JSONPath.sh/pull/16

**Full Changelog**: https://github.com/bashtools/JSONPath.sh/compare/v0.0.18...v0.0.19