v1.0.0

• Bump version to 1.0.0 39c38cb

v0.1.0...v1.0.0

1. getStates now returns data of all states contained in the data set, as opposed to the previous which returned only the names
2. A state now has a geoPol property which represents the geo-political zone of the state in the country

Others:

1. Tests have been added to ensure that data in the data set matches the right interface data types
2. Documentation and a contribution guide have been added to the repository