Added missing versionadded statement for USSocialSecurityNumberField.
Added tests for Django 1.7
Added Singapore local flavor.

Introduces fields for phone number, postal code and national/foreign ID.
Added Django 1.7 tests to travis config
Fixed travis build: Django 1.7 does not support Python 2.6
Added support for 17X Chinese cell numbers and improved language in cn.forms
Fixed #113 - Added CHANGES file for all changes since 1.0
Added a few missing items to changes and reworded to correct tense
sg forms