Merge pull request #21 from nemesis/master

Bumped podspec version, removed AFNetworking dependency and set 6.0 as target
Update README.md
Fixed an error callback in SERequestHandler, also small addditions to the demo
Added a warning for missing mandatory setup & README changes
Executing completion block on main thread in SERequestHandler, checking readyState in ConnectWebView
Merge pull request #22 from nemesis/a-few-demo-and-errors-fixes

Fixed an error callback in SERequestHandler, also small addditions to the demo
Bump podspec version to 2.0.1