Release version 0.1.4

Changed class elements order according to updated Polymorphine/Dev coding standard (version 0.6.0).

Release version 0.1.3

Changes:

• Expanded psr/http-message version compatibility with 2.x

Misc:

• Refactored test methods

Release version 0.1.2

Upgraded codebase to php 8.4

• Upgraded dev package & project skeleton
• Removed implicitly nullable arguments

Release version 0.1.1

• Simplified assertions & removed external references from tests
• Synchronized package files with skeleton template

Release version 0.1.0

Single implementation of PSR-15 middleware:

• generation & validation of CSRF Tokens
• same token throughout session
• validation skipped for safe http methods (GET, HEAD, OPTIONS)