Merged pull requests:
- Add tests section to README #148 (joaonice)
- Add authorizeUser example to README #147 (joaonice)
- Update travis scripts to disable xdebug in composer #146 (joaonice)
- Update rate limit headers #145 (joaonice)
- Update OTP header #144 (joaonice)
- Fix handling of user authorize response #143 (joaonice)
- Update code climate encrypted repo token #142 (nunorafaelrocha)
- Add php configuration file for travis #141 (nunorafaelrocha)