added server sent events wrapper and example

tests/test_plaintext_config.py

@@ -1,28 +0,0 @@
-#!/usr/bin/env python3
-import sys, os
-sys.path.append(".")
-sys.path.append("src/")
-import unittest, uuid
-import json
-TEST_DIR = 'testdata/%s-%s' % (uuid.uuid4(), os.path.basename(__file__)) + '/'
-print("Test directory:", TEST_DIR)
-os.environ["ONIONR_HOME"] = TEST_DIR
-
-from utils import identifyhome, createdirs
-from onionrsetup import setup_config
-createdirs.create_dirs()
-setup_config()
-import config
-from coredb import blockmetadb
-from onionrblocks.insert import insert_block
-
-class TestTemplate(unittest.TestCase):
-    def test_plaintext_config(self):
-        b1 = insert_block('test block')
-        self.assertIn(b1, blockmetadb.get_block_list())
-        config.set('general.store_plaintext_blocks', False)
-        self.assertNotIn(b1, blockmetadb.get_block_list())
-
-
-
-unittest.main()