Merge pull request #23 from marmichalski/explicit-nullable-types Explicit nullable types

Merge pull request #18 from andrewmy/add-gh-wf-php8 Replace Travis with GitHub Workflow; add PHP 8; drop PHP 7.1, 7.2

Allow 0.8 version of queue interop 

Require stable queue-interop package. 

Update composer.json 

require queue interop 0.6.2 

Allow queue interop 1.0 alpha 

Merge pull request #11 from jelrikvh/consumer-receive-default-timeout… …-value Include default timeout value from interface

add licence to composer.json 

Merge pull request #10 from queue-interop/basic-consume Add basic consume methods.