refactor, added tests and new features

Added lots of tests, point in polygon search, better documentation, clearer object instantiation, standardized return values, factored out monolith class into component parts

updates documentation

updates documentation

v1.0.2: Merge pull request #10 from ccarstens/cc-coordinate-accessors-01

updates google geocode method to accept api key and changes accessors from private to protected for extensibility