Removed EventWebService ISO8601 method, using utility instead
Added constructor to EventComparison with differences already computed
Refactored EventIDAssociator to take EventComparison to define search window.
Refactored formatting method out from main().
Refactored sanityCheck as member variable.
Added unit tests.
Changed way getDistance(EventInfo, EventInfo) convenience method works, did not need to convert to radians.
Added setters for EventWebService, NearbyCriteria, EventSanityCheck
Make test data available to multiple tests
Added test for JsonEventInfo and DefaultEventInfo for coverage
Added several tests for coverage
Updated usage, refactored exit code to instance method
Added search and check arguments for customization
Made defaults public, changed constructor argument order to match others (time, location, depth, mag)
Added EventSanityCheckTest for coverage
Added method to test exit codes
Added library to test System.exit calls, test for usage