src/main/java/org/eiichiro/bootleg/Pipeline.java
public Pipeline<T> set(String name, Function<T, T> function) {
		return set(stages.size(), name, function);
	}
public Pipeline<T> set(String name, Function<T, T> function) {
		return set(stages.size(), name, function);
	}
Sets the specified {@code Function} to the next processing stage with the
specified stage name.

@param name The stage name.
@param function The {@code Function} set to the next processing stage.
@return This {@code Pipeline} instance.