add new background_batching and background_daemon options to google c…

…loud adapter

add support for using a custom auth cache with the google cloud adapt…

…er (#10)

set release date for 2.0.4

Merge branch 'master' of github.com:Superbalist/laravel-pubsub

allow for higher superbalist/php-pubsub* versions

update changelog for 2.0.1

Merge pull request #2 from Superbalist/add-support-for-php-pubsub-goo…

…gle-cloud-client-identifier

bump up to ^2.0 of superbalist/php-pubsub-google-cloud + add client_identifier support

add support for configuring auto topic & subscription creation for th…

…e php-pubsub-google-cloud adapter

update changelog

bump release date