Throttled Handler doesn't delete failed handle connections

[Katsute]

Prerequisites

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• I have checked that no other similar issue already exists

Operating System: Operating system name and version
Windows 10

Release Version: Release version or branch where the issue occurred
03.05.06

Issue

Explain your issue. Add any screenshots here

If an exception is thrown in #handle the connection will not be deleted, despite being handled. This can cause ghost connections.

simplehttpserver/src/main/java/com/kttdevelopment/simplehttpserver/handler/ThrottledHandler.java

Lines 43 to 51 in 77e9449

	@Override
	public final void handle(final HttpExchange exchange) throws IOException{
	if(throttler.addConnection(exchange)){
	handler.handle(exchange);
	throttler.deleteConnection(exchange);
	}else{
	exchange.close();
	}
	}

Expected Behavior

Explain what was supposed to happen

Connections should be deleted after handle (use a try finally).

Steps To Reproduce

Explain how and/or when the error occurred

Throw an exception in throttled handler.