Packagist: Impossible (?) to use current github master (for nesbot/carbon 3 support) with composer

[henderkes]

Describe the bug Packagist has 1.0.x-dev as an alias for dev-master.

Code to Reproduce The troubling code section which produces the reported bug.

"webklex/php-imap": "dev-master as 5.5.x-dev"

Expected behavior The current github master to download.

Additional context Problem 1

• webklex/php-imap 1.0.x-dev is an alias of webklex/php-imap dev-master and must be installed with it.