Allow Java 8 syntax in source files.
In core/pom.xml, I tried changing source=1.7 target=1.8 to source=8 target=8 but I ran into Janino issue 47. (Thanks, Volodymyr Vysotskyi, for logging that issue.)
When this is fixed, we will be able to use lambdas (->).
Liberal "babel" parser that accepts all SQL dialects