public static <T> T freshly(Callable<T> func) {
		boolean oldFresh = isFresh();
		setFresh(true);
		try {
			return func.call();
		} catch (Exception e) {
			throw new RuntimeException(e);
		} finally {
			setFresh(oldFresh);
		}
	}
Runs the given code with the global <code>fresh</code> variable set to
<code>true</code>, thereby forcing that all requests to remote resources are
actually performed and any previously cached documents are updated to their
latest versions.
src/main/java/dev/jbang/util/Util.java