Documentation, Swift Package Manager, Concepts

• Add documentation
• Reconcile naming
• Make PPTransport a struct
• Introduce generic Return type, that incapsulates returned object and error (Public API change)
• Introduce PPError enum and return it instead of NSError (Public API change)
• Turn on 'treat warnings as errors' flag for every target
• Add Swift Package Manager Support
• Introduce Concept data model
• Break API class in domain specific extensions
• Introduce method to select http vs https
• Create test event registry account for Example projects
• Introduce travis cache
• Add framework deploy step to travis file

Carthage, older platforms, max articles count

• Configurable maxArticleCount in Get articles operation
• Carthage support
• Support for older platforms
• Login operation does not return error in case of missingData error
• Add pod lint as a step of the build script
• Cover PPTransport with tests
• Replace HTTP methods strings with enums
• Minor code style corrections in operations
• Enforce completion closures for operations (Public API change)
• flatMap instead of forEach
• Minor stubs naming and style corrections
• Delete OWNERS file
• Update example's podfile to the latest version

Initial release

0.0.1

Release 0.0.1