move i2pkeys to it's own standalone directory.

sam3_test.go

@@ -27,7 +27,7 @@ func Test_Basic(t *testing.T) {
 		t.Fail()
 	} else {
 		fmt.Println("\tAddress created: " + keys.Addr().Base32())
-		fmt.Println("\tI2PKeys: " + string(keys.both)[:50] + "(...etc)")
+		fmt.Println("\tI2PKeys: " + string(keys.String())[:50] + "(...etc)")
 	}
 
 	addr2, err := sam.Lookup("zzz.i2p")

stream_test.go

@@ -8,6 +8,10 @@ import (
 	"testing"
 )
 
+import (
+	. "github.com/eyedeekay/sam3/i2pkeys"
+)
+
 func Test_StreamingDial(t *testing.T) {
 	if testing.Short() {
 		return