Integrated, working.

This integrates the liteq, and it prevents duplicates in a way that
matches my use-case.

I might try and push things back out to a separate module, but for now,
this will do.

internal/liteq/bench/main.go

@@ -7,7 +7,7 @@ import (
 	"math/rand"
 	"time"
 
-	liteq "git.jadud.com/grosbeak/internal/liteq"
+	liteq "git.jadud.com/jadudm/grosbeak/internal/liteq"
 	_ "modernc.org/sqlite"
 )