Release v0.4.0

🛡️ Security System Added

✨ What's New

• Security Checker: AST-based validation prevents dangerous code execution
• Security Levels: STRICT/STANDARD/RELAXED configurations
• Custom Rules: Define app-specific restrictions with regex patterns
• Simplified Error Handling: Removed detailed_error_feedback parameter

🔒 Security Protection

Automatically blocks: eval(), exec(), unsafe imports, file operations

📖 Usage

runtime = PythonRuntime(
    enable_security=True,
    security_level=SecurityLevel.STANDARD
)