static SqlRunnable wrap(Runnable inner) {
        return requireNonNull(inner)::run;
    }
A variation of the standard {@code java.lang.Runnable} that throws
a {@code SQLException} if an error occurred while it ran.

@author  Per Minborg
runtime-parent/runtime-core/src/main/java/com/speedment/runtime/core/db/SqlRunnable.java