Add support for Nokia's here.com geocoder.

Don't throw errors when using SSL

Conflicts:
	test/result_test.rb

add object kind recognising for yandex result object

Improve Baidu and BaiduIp lookup by fixing error and cover test.

Added support for Geocod.io.

Conflicts:
	lib/geocoder/lookup.rb

Conflicts:
	README.md
	lib/geocoder/lookup.rb
	test/test_helper.rb

Use OpenSSL::Digest instead of deprecated OpenSSL::Digest::Digest

Add Baidu IP lookup and separate lookups into Street Address and IP
Addres lookups.

Allow passing optional :min_radius value to 'near' searches.

This will allow us to address long-standing char encoding issues.