diff --git a/CHANGES.rst b/CHANGES.rst
index 6edc960..d66ec8c 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,8 +1,7 @@
-0.2.0 (2014-12-??)
+0.2.0 (2014-12-19)
 ------------------
 
-- Compatibile with `SkosProvider 0.5.0 <http://skosprovider.readthedocs.org/en/0.4.0>`_.
-- Not backwards compatible with `SkosProvider 0.3.0 <http://skosprovider.readthedocs.org/en/0.3.0>`_.
+- Compatibile with `SkosProvider 0.5.0 <http://skosprovider.readthedocs.org/en/0.5.0>`_.
 - Each Concept or Collection now also provides information on the ConceptScheme 
   it's part of.
 - Fix some issues with UTF-8 encoding.
diff --git a/docs/source/conf.py b/docs/source/conf.py
index d8a3192..8dae404 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -267,5 +267,6 @@
 # Example configuration for intersphinx: refer to the Python standard library.
 intersphinx_mapping = {
     'python': ('http://docs.python.org/', None),
-    'skosprovider': ('http://skosprovider.readthedocs.org/en/latest', None)
+    'skosprovider': ('http://skosprovider.readthedocs.org/en/latest', None),
+    'rdflib': ('http://rdflib.readthedocs.org/en/latest', None)
 }
diff --git a/docs/source/index.rst b/docs/source/index.rst
index 21a0b15..49fb13c 100644
--- a/docs/source/index.rst
+++ b/docs/source/index.rst
@@ -4,7 +4,7 @@
    contain the root `toctree` directive.
 
 Welcome to skosprovider_heritagedata's documentation!
-==============================================
+=====================================================
 
 .. toctree::
    :maxdepth: 2
diff --git a/requirements.txt b/requirements.txt
index f2002e4..0fe28d2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-requests==2.4.1
-#skosprovider==0.5.0
--e git+https://github.com/koenedaele/skosprovider.git#egg=skosprovider
+requests==2.5.0
+skosprovider==0.5.0
+#-e git+https://github.com/koenedaele/skosprovider.git#egg=skosprovider
 rdflib==4.1.2
diff --git a/setup.py b/setup.py
index 0ef78fb..debe69d 100644
--- a/setup.py
+++ b/setup.py
@@ -13,7 +13,7 @@
 ]
 
 requires = [
-    'skosprovider',
+    'skosprovider>=0.5.0',
     'requests',
     'rdflib'
 ]
@@ -40,6 +40,6 @@
     author='Flanders Heritage Agency',
     author_email='ict@onroerenderfgoed.be',
     url='https://github.com/OnroerendErfgoed/skosprovider_heritagedata',
-    keywords='heritagedata.org skos skosprovider',
+    keywords='heritagedata.org skos skosprovider thesauri vocabularies',
     test_suite='nose.collector'
 )
diff --git a/skosprovider_heritagedata/providers.py b/skosprovider_heritagedata/providers.py
index dee0473..e6e7253 100644
--- a/skosprovider_heritagedata/providers.py
+++ b/skosprovider_heritagedata/providers.py
@@ -5,14 +5,18 @@
 '''
 
 import requests
+from requests.exceptions import ConnectionError
+
 import warnings
 import logging
-from requests.exceptions import ConnectionError
 log = logging.getLogger(__name__)
+
 from language_tags import tags
 from rdflib.namespace import SKOS
+
 from skosprovider.exceptions import ProviderUnavailableException
 from skosprovider.providers import VocabularyProvider
+
 from skosprovider_heritagedata.utils import (
     _split_uri, 
     uri_to_graph,
@@ -281,4 +285,4 @@ def _get_items(self, service, params):
                 d[uri] = item
             elif tags.tag(item['lang']).format == 'en':
                 d[uri] = item
-        return list(d.values())
\ No newline at end of file
+        return list(d.values())
diff --git a/skosprovider_heritagedata/utils.py b/skosprovider_heritagedata/utils.py
index 2b6a13a..3d1bd11 100644
--- a/skosprovider_heritagedata/utils.py
+++ b/skosprovider_heritagedata/utils.py
@@ -3,21 +3,19 @@
 Utility functions for :mod:`skosprovider_heritagedata`.
 '''
 
-import rdflib
-from rdflib.term import URIRef
 import requests
-
 from skosprovider.skos import (
     Concept,
     Label,
     Note,
     ConceptScheme)
-
 from skosprovider.exceptions import ProviderUnavailableException
 
 import logging
 import sys
 
+log = logging.getLogger(__name__)
+
 PY3 = sys.version_info[0] == 3
 
 if PY3:  # pragma: no cover
@@ -25,13 +23,19 @@
 else:  # pragma: no cover
     binary_type = str
 
-log = logging.getLogger(__name__)
-
+import rdflib
+from rdflib.term import URIRef
 from rdflib.namespace import RDF, SKOS, DC, RDFS
 
 PROV = rdflib.Namespace('http://www.w3.org/ns/prov#')
 
 def conceptscheme_from_uri(conceptscheme_uri):
+    '''
+    Read a SKOS Conceptscheme from a :term:`URI`
+
+    :param string conceptscheme_uri: URI of the conceptscheme.
+    :rtype: skosprovider.skos.ConceptScheme
+    '''
     graph = uri_to_graph('%s.rdf' % (conceptscheme_uri))
 
     # get the conceptscheme
@@ -46,6 +50,14 @@ def conceptscheme_from_uri(conceptscheme_uri):
 
 
 def things_from_graph(graph, concept_scheme):
+    '''
+    Read concepts and collections from a graph.
+
+    :param rdflib.Graph graph: Graph to read from.
+    :param skosprovider.skos.ConceptScheme concept_scheme: Conceptscheme the
+        concepts and collections belong to.
+    :rtype: :class:`list`
+    '''
     clist = []
     for sub, pred, obj in graph.triples((None, RDF.type, SKOS.Concept)):
         uri = str(sub)