[FastCGI] Clean up WorkerRequest, using modern features
[FastCGI] Clean up WorkerRequest, using modern features

arthot/xsp,murador/xsp,stormleoxia/xsp,murador/xsp,arthot/xsp,arthot/xsp,stormleoxia/xsp,murador/xsp,stormleoxia/xsp,stormleoxia/xsp,arthot/xsp,murador/xsp