SSWebView: set lastRequest = nil for other webview loading methods & reset.
SSWebView: set lastRequest = nil for other webview loading methods & reset.

TDness/sstoolkit,cobook/sstoolkit,samsoffes/sstoolkit,zilaiyedaren/sstoolkit,SuPair/sstoolkit,Amnysia/SSToolkit,samsoffes/sstoolkit,rtsbtx/sstoolkit,k131050059/sstoolkit,carabina/sstoolkit,zjh171/sstoolkit,soffes/sstoolkit,sideci-sample/sideci-sample-sstoolkit,andaluz/sstoolkit,lijie121210/sstoolkit,Amnysia/SSToolkit