release v1.8.1

Signed-off-by: andrew-coleman <[email protected]>

release v1.8.0

Signed-off-by: andrew-coleman <[email protected]>

publish v1.7.0

publish v1.6.5

release v1.6.4 (jsonata-js#294)

publish v1.6.3 to npm

Release version 1.6.2 (jsonata-js#285)

* Update CHANGELOG.md

* Update version

publish v1.6.1

updated npm secure key

update changelog and publish 1.5.4