Proboscideans

• Fixed possible memory-leaks when hooking via regular expressions
• Modernise the code by removing usage of strtok
• Prevent a possible crash during configuration reloading
• Fix the default rules to catch dangerous chmod calls
• Improve compatibility with various libpcre configurations/versions
• Improve the default rules' compatibility with php8
• Prevent XXE in php8 as well
• Improve a bit the verbosity of the logs
• Add a rules file for php8