Fix a unittest; bump the version to 0.0.13

Author: 1st1

setup.py

@@ -5,7 +5,7 @@
 
 setup(
     name='httptools',
-    version='0.0.12',
+    version='0.0.13',
     description='A collection of framework independent HTTP protocol utils.',
     long_description=long_description,
     long_description_content_type='text/markdown',

tests/test_parser.py

@@ -354,7 +354,7 @@ class Protocol:
 
             def __init__(self):
                 self.parser = httptools.HttpRequestParser(self)
-            
+
             def on_url(self, url):
                 assert self.parser.should_upgrade() is False
 
@@ -582,9 +582,8 @@ def test_parser_url_1(self):
             (None, None, None, b'/a/b/c', b'b=1&', None, None))
 
     def test_parser_url_2(self):
-        self.assertEqual(
-            self.parse(b''),
-            (None, None, None, None, None, None, None))
+        with self.assertRaises(httptools.HttpParserInvalidURLError):
+            self.parse(b'')
 
     def test_parser_url_3(self):
         with self.assertRaises(httptools.HttpParserInvalidURLError):