BREAKING CHANGE: upgrade to PHP 8.0 and PHP-Casbin 4.0 (#48)

BREAKING CHANGE: upgrade to PHP 8.0 and PHP-Casbin 4.0 (#48)

feat: make cache configurable (#47)

fix: add unauthorized message

Merge pull request #44 from php-casbin/develop

Develop

feat: Compatible with thinkphp8.0 (#41)

fix: Incorrect configuration information read (#39)

* 读取配置信息问题

读取配置信息键名有问题

* 从配置文件读取

* Update 20181113071924_create_rules_table.php

fix: Use loadPolicyArray instead of loadPolicyLine

fix: adapter 保存策略save修改为insert (#32)

fix: Add the addFunction() method to the comment(Enforcer Facade). (#31)

fix: Add the addFunction() method to the comment(Enforcer Facade).

feat: support updateFilteredPolicies method, fix #28 (#29)

feat: support updateFilteredPolicies method, fix #28