Added some files and directory to export-ignore

Update build config

Update to PHP 8, PSR-11 1.1 support

Service configuration passed to constructor

Adding capacity to provide a list of defined services

Removing composite container in favour of ultra-lite/composite-container

Switching from Container-Interop to PSR-11

Switching to PHP7 only; updating dev dependencies

Allowing delegate containers within the composite to go to the front …

…of the queue

Selling my soul re PHP versions