a simple mapping of country to continent

(i need to be able to sort on continent for a report...)
basic country->contintent map in _get_record()
spell 'Kazakhstan' correctly.
Libya ain't "Libyan Arab Jamahiriya" anymore.

http://en.wikipedia.org/wiki/Libyan_Arab_Jamahiriya
make countries match
Merge branch 'master' into continents

Conflicts:
	pygeoip/__init__.py
	pygeoip/const.py
Add tests for const tuple lengths and continents