Version 4.0.0

Features

Get granted scopes #274
Upgraded to Angular 6 #304
use custom encoder to allow + in password #272
Adds a new configuration option to allow external control over how the login page is opened #235
Fix typo in the interceptor docs #234
fix: run tokensetup outside ngzone #233
Fixes typo in readme #232
Fix typo in docs #231
State improvements #224
Added support for logout using client id. #201
Updates repository and bug url in package.json #192

Thanks to all contributers! You are awesome!