Allow region specific Bing searches.
Added test for no region.
Refactored to be a bit cleaner.
Escape spaces and other non safe characters within search string.
stripping leadding and trailing whitespace from location input
added support for JRuby via jgeo-ip gem
added jgeo-ip gem dependency
reduced duplication
reduced duplication
Add support for Nokia's here.com geocoder.
Remove deprecated methods.
Update CHANGELOG.
Add more useful/specific integration tests.
Add test for Bing reverse geocoding.
Code cleanup.
Add reverse geocoding for Geocod.io.

Note: though Geocod.io has advertised reverse geocoding,
it doesn't actually seem to work yet.
Add debugger to Gemfile.
Only load debugger in MRI.
Restructure and clean up lookup tests.
Create ModelTest and move relevant tests into it.