Commented the empty table in c_level_db, and cleaned up the mem_db Value call.

c_level_db.go

@@ -107,6 +107,7 @@ func (db *CLevelDB) Print() {
 }
 
 func (db *CLevelDB) Stats() map[string]string {
+	// TODO: Find the available properties for the C LevelDB implementation
 	keys := []string{}
 
 	stats := make(map[string]string)

mem_db.go

@@ -94,10 +94,7 @@ func (it *memDBIterator) Key() []byte {
 }
 
 func (it *memDBIterator) Value() []byte {
-	it.db.mtx.Lock()
-	defer it.db.mtx.Unlock()
-
-	return it.db.db[it.keys[it.last]]
+	return it.db.Get(it.Key())
 }
 
 func (db *MemDB) Iterator() Iterator {