Add support for API request timeout configuration

You can now configure the request timeout duration (in seconds, defaults to 35 if not specified):

// This is the maximum wait period before aborting requests, you may need to
// increase this from the default of 35 seconds if working with oversize surveys
\SurveyGizmo\ApiRequest::setRequestTimeout(60);

Add region selection

Enabled region selection for data center, to allow easy use of library by our international customers in the EU and Canada.

Minor changes to Survey resource

• Fixed issue with getTeams method
• Cleanup
• getSubObjects third argument (options) defaults to empty array instead of NULL

Packagist Publish Wrap-up

Minor improvements to documentation, configuration, testing and sample code.

Packagist Initial Release

• Now available on Packagist
• Fix for Question Options
• Improved testing
• Improved code samples
• Typographical fixes