Added some missing methods as well as tests to ensure that the expected values are returned on missing keys
Updated .gitignore
Use varargs rather than an array for getName(). Set default to en.
Added methods for me requests, changed signature for country/city/omni/cityIspOrg. Cleaned up tests a bit.
Switched to Jackson for JSON parsing. Refactored some tests
Renamed 'Response' to 'Lookup' since we are presumably using the same models for the GeoIP2 DB.