added .array_as_json which aids testing with mocks
v0.4.22
Merge pull request #66 from RestPack/gj/array_as_json

Gj/array as json
v0.4.23
changed array_as_json to class method
Merge pull request #67 from RestPack/gj/change-to-class-method

changed array_as_json to class method
v0.4.24