Add support for national_dialing_prefix
Support Switzerland
Add tests
Merge pull request #15 from pusewicz/support-switzerland

Support Switzerland
Merge pull request #13 from pusewicz/add-national-dialing-prefix

Add support for national_dialing_prefix
Fixes mobile support for Switzerland
Bump version for release
Support Mexico
Support Japan
Merge pull request #18 from pusewicz/japan

Support Japan
Merge pull request #17 from pusewicz/mexico

Support Mexico
Merge pull request #16 from pusewicz/support-malta

Support Malta
Update Readme.rdoc

Notes that Malta is supported