Version 7.0

Major changes in favor of stability and security. iCloud Document Sync is now a singleton. There are numerous new and updated methods. New delegate methods and protocols. New iCloudDocument features. Automated documentation and framework builds for easier contribution. Plus it fixes numerous bugs and adds an iOS Sample app. This update also fixes and resolves many of the issues posted to GitHub: Closes #3, Resolves #5, Resolves #11, Fixes #14, Fixes #17, Fixes #18, Resolves #19.