Updated composer
Extra checks and doc block tweaks
Coding style and tweaks
Tweaks
Testing and tweaks
Coding style
Composer tweaks
Fixed bad method name
Composer tweaks
Added tests
Subscriber improvements and config tweaks
More changes and backoff support
Removed messy function
Service provider updates
Service provider tweak
Test refactor
Updated composer.json
Tweak .gitignore
Test fixes
Bump copyright year