Why do you force me to use slf4j?

[sproket]

java.lang.NoClassDefFoundError: org/slf4j/LoggerFactory

at com.github.jknack.handlebars.Handlebars.<clinit>(Handlebars.java:313)

It's not hard to add your own logger and check if the one you want is available and fall back to JUL. See how I did it with Persism.