def main():
dbox = DropboxService()
dbox.upload('test/testfile.txt')
dbox.download('test/testfile_downloaded.txt', 'testfile.txt')
dbox.uploadIndex('test/index.txt')
print(dbox.isChangedIndex())
dbox.downloadIndex('test/index.txt')
def main():
dbox = DropboxService()
dbox.getRef(ref, 'wing.gif')
