Add Luiz Armesto as a contributor
Add Luiz Armesto as a contributor

datapackages/datapackage-py,sirex/datapackage-py,datapackages/datapackage-py,okfn/datapackage-model-py,okfn/datapackage-py,okfn/datapackage-model-py,okfn/datapackage-py,sirex/datapackage-py