Update to go 1.17

Fix jp.Set to create arrays when needed

Changelog

Fix recursive recomposer loop

Bug/jsonpath reflect arrays (ohler55#66)

Support reflected arrays

Align map members when pretty

Marshalers (ohler55#56)

* Implemented but not tested

* Unit tests for marshaler

* Fix marshaler as struct member in oj

Update benchmark.md

Fix register recomposer

Add any recomposer func