diff --git a/.travis.yml b/.travis.yml
index 4778562..1b72dac 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,11 @@
 language: python
 python:
-- '2.7'
-- '3.3'
+- "2.6"
+- "2.7"
+- "3.2"
+- "3.3"
+- "3.4"
+- "pypy"
 install:
 - pip install -r test_requirements.txt
 - pip install coveralls
@@ -9,6 +13,7 @@ script: coverage run --source=pylast ./test_pylast.py
 after_success:
   coveralls
 after_script:
+- coverage report
 - ./check.sh
 - pip install clonedigger
 - clonedigger pylast.py
@@ -20,3 +25,10 @@ env:
   - secure: gDWNEYA1EUv4G230/KzcTgcmEST0nf2FeW/z/prsoQBu+TWw1rKKSJAJeMLvuI1z4aYqqNYdmqjWyNhhVK3p5wmFP2lxbhaBT1jDsxxFpePc0nUkdAQOOD0yBpbBGkqkjjxU34HjTX2NFNEbcM3izVVE9oQmS5r4oFFNJgdL91c=
   - secure: RpsZblHFU7a5dnkO/JUgi70RkNJwoUh3jJqVo1oOLjL+lvuAmPXhI8MDk2diUk43X+XCBFBEnm7UCGnjUF+hDnobO4T+VrIFuVJWg3C7iKIT+YWvgG6A+CSeo/P0I0dAeUscTr5z4ylOq3EDx4MFSa8DmoWMmjKTAG1GAeTlY2k=
   - secure: T5OKyd5Bs0nZbUr+YICbThC5GrFq/kUjX8FokzCv7NWsYaUWIwEmMXXzoYALoB3A+rAglOx6GABaupoNKKg3tFQyxXphuMKpZ8MasMAMFjFW0d7wsgGy0ylhVwrgoKzDbCQ5FKbohC+9ltLs+kKMCQ0L+MI70a/zTfF4/dVWO/o=
+
+matrix:
+  allow_failures:
+    - python: "2.6"
+    - python: "3.2"
+    - python: "3.4"
+    - python: "pypy"
diff --git a/pylast.py b/pylast.py
index 03c7767..8d82548 100644
--- a/pylast.py
+++ b/pylast.py
@@ -204,7 +204,7 @@ class _Network(object):
     """
 
     def __str__(self):
-        return "The %s Network" % self.name
+        return "%s Network" % self.name
 
     def get_artist(self, artist_name):
         """
@@ -854,9 +854,6 @@ class LastFMNetwork(_Network):
              "'%s'" % self.username,
              "'%s'" % self.password_hash)))
 
-    def __str__(self):
-        return "Last.fm Network"
-
 
 def get_lastfm_network(
         api_key="", api_secret="", session_key="", username="",
@@ -953,9 +950,6 @@ class LibreFMNetwork(_Network):
              "'%s'" % self.username,
              "'%s'" % self.password_hash)))
 
-    def __str__(self):
-        return "Libre.fm Network"
-
 
 def get_librefm_network(
         api_key="", api_secret="", session_key="", username="",
diff --git a/test_pylast.py b/test_pylast.py
index b3b4da1..a2cfc24 100755
--- a/test_pylast.py
+++ b/test_pylast.py
@@ -53,6 +53,7 @@ class TestPyLast(unittest.TestCase):
             api_key=API_KEY, api_secret=API_SECRET,
             username=self.username, password_hash=password_hash)
 
+
     def test_scrobble(self):
         # Arrange
         artist = "Test Artist"
@@ -1538,6 +1539,84 @@ class TestPyLast(unittest.TestCase):
         self.assertIsInstance(users[0], pylast.User)
 
 
+    def test_tag_artist(self):
+        # Arrange
+        artist = self.network.get_artist("Test Artist")
+#         artist.clear_tags()
+
+        # Act
+        artist.add_tag("testing")
+
+        # Assert
+        tags = artist.get_tags()
+        self.assertGreater(len(tags), 0)
+        found = False
+        for tag in tags:
+            if tag.name == "testing":
+                found = True
+                break
+        self.assertTrue(found)
+
+    def test_remove_tag_of_type_text(self):
+        # Arrange
+        tag = "testing"  # text
+        artist = self.network.get_artist("Test Artist")
+        artist.add_tag(tag)
+
+        # Act
+        artist.remove_tag(tag)
+
+        # Assert
+        tags = artist.get_tags()
+        found = False
+        for tag in tags:
+            if tag.name == "testing":
+                found = True
+                break
+        self.assertFalse(found)
+
+
+    def test_remove_tag_of_type_tag(self):
+        # Arrange
+        tag = pylast.Tag("testing", self.network)  # Tag
+        artist = self.network.get_artist("Test Artist")
+        artist.add_tag(tag)
+
+        # Act
+        artist.remove_tag(tag)
+
+        # Assert
+        tags = artist.get_tags()
+        found = False
+        for tag in tags:
+            if tag.name == "testing":
+                found = True
+                break
+        self.assertFalse(found)
+
+
+    def test_remove_tags(self):
+        # Arrange
+        tags = ["testing1", "testing2"]
+        artist = self.network.get_artist("Test Artist")
+        artist.add_tags(tags)
+
+        # Act
+        artist.remove_tags(tags)
+
+        # Assert
+        tags = artist.get_tags()
+        found = False
+        for tag in tags:
+            if tag.name == "testing1" or tag.name == "testing2":
+                found = True
+                break
+        self.assertFalse(found)
+
+
+
+
+
 if __name__ == '__main__':
     parser = argparse.ArgumentParser(
         description="Integration (not unit) tests for pylast.py",
@@ -1545,6 +1624,9 @@ if __name__ == '__main__':
     parser.add_argument(
         '-1', '--single',
         help="Run a single test")
+    parser.add_argument(
+        '-r', '--repeat',
+        help="Repeat a single test (100 times) until failure")
     parser.add_argument(
         '-m', '--matching',
         help="Run tests with this in the name")
@@ -1556,6 +1638,17 @@ if __name__ == '__main__':
         suite.addTest(TestPyLast(args.single))
         unittest.TextTestRunner().run(suite)
 
+    elif args.repeat:
+        suite = unittest.TestSuite()
+
+        suite.addTest(TestPyLast(args.repeat))
+        for i in range(100):
+            print("Attempt " + str(i+1))
+            result = unittest.TextTestRunner().run(suite)
+            problems = len(result.errors) + len(result.failures)
+            if problems:
+                break
+
     elif args.matching:
         suite = unittest.TestSuite()