Add updates to misc. dev dependencies

Prepare v3.1.1 for release (#120)

Export the underlying `XdrReader` and `XdrWriter` object (#116)

* Add raw Reader/Writer export, better Array check
* Upgrade dependencies

Modify publish script to have public scope (#113)

Prepare the library for a v3.0.0 release. (#102)

* Upgrade all depenencies to their latest versions

Add script to publish to npm on tagged releases.

Release v1.3.0 (#66)

v1.2.0 (#59)

v1.1.4 (#49)

v1.1.3 (#42)