Updated tests

dagger_test.go

@@ -1,13 +1,14 @@
 package main
 
 import (
+	"github.com/ethereum/ethutil-go"
 	"math/big"
 	"testing"
 )
 
 func BenchmarkDaggerSearch(b *testing.B) {
 	hash := big.NewInt(0)
-	diff := BigPow(2, 36)
+	diff := ethutil.BigPow(2, 36)
 	o := big.NewInt(0) // nonce doesn't matter. We're only testing against speed, not validity
 
 	// Reset timer so the big generation isn't included in the benchmark