Add FileManager, File cleanup, Logger

src/test/kotlin/nl/astraeus/persistence/TestPersistence.kt

@@ -136,17 +136,43 @@ class TestPersistence {
       store(
         Person(
           id = 10L,
-          name = "Pipo",
+          name = "John Pipo",
           age = 23
         )
       )
       store(
         Person(
           id = 11L,
-          name = "Clown",
+          name = "John Clown",
           age = 18
         )
       )
+
+      searchIndex(Person::class, "name") {
+        name -> (name as? String)?.startsWith("John") == true
+      }.forEach { p ->
+        println("Found person where name starts with 'John': ${p.name} - ${p.age}")
+      }
     }
+
+    pst.transaction {
+      store(
+        Person(
+          id = 15L,
+          name = "Mama",
+          age = 26
+        )
+      )
+      store(
+        Person(
+          id = 16L,
+          name = "Loe",
+          age = 16
+        )
+      )
+    }
+
+    pst.datastore.printStatus()
+    //pst.removeOldFiles()
   }
 }