Add `array.deep` extension method to partest-extras (used in tests)
Add `array.deep` extension method to partest-extras (used in tests)

martijnhoekstra/scala,scala/scala,lrytz/scala,scala/scala,martijnhoekstra/scala,lrytz/scala,martijnhoekstra/scala,lrytz/scala,scala/scala,martijnhoekstra/scala,lrytz/scala,martijnhoekstra/scala,scala/scala,scala/scala,scala/scala,lrytz/scala,martijnhoekstra/scala,lrytz/scala