logic in place for handling multiple files

- hash file with info and check hash
- make explicit request for chunks
- check file directly for empty chunks, request them
- skip files if they already exist on machine

main.go

@@ -7,6 +7,22 @@ import (
 )
 
 func main() {
+	// f, _ := os.Create("test.1")
+	// f.Truncate(8096)
+	// f.Close()
+
+	// file, _ := os.Open("test.1")
+	// defer file.Close()
+
+	// buffer := make([]byte, 4096)
+	// emptyBuffer := make([]byte, 4096)
+	// for {
+	// 	bytesread, err := file.Read(buffer)
+	// 	if err != nil {
+	// 		break
+	// 	}
+	// 	fmt.Println(bytes.Equal(buffer[:bytesread], emptyBuffer[:bytesread]))
+	// }
 	var sender bool
 	flag.BoolVar(&sender, "sender", false, "sender")
 	flag.Parse()
@@ -18,7 +34,7 @@ func main() {
 		err = c.Send(croc.TransferOptions{
 			// PathToFile: "../wskeystore/README.md",
 			// PathToFile:       "./src/croc/croc.go",
-			PathToFile:       "C:\\Users\\zacks\\go\\src\\github.com\\schollz\\croc\\src\\croc\\croc.go",
+			PathToFiles:      []string{"C:\\Users\\zacks\\go\\src\\github.com\\schollz\\croc\\src\\croc\\croc.go", "croc.exe"},
 			KeepPathInRemote: false,
 		})
 	} else {