Improve documentation of QIDO-RS methods

Add link to relevant tables in the standard documents that specify the
returned attributes for QIDO-RS response messages.

Author: hackermd

src/dicomweb_client/__init__.py

@@ -1,3 +1,3 @@
-__version__ = '0.3.0'
+__version__ = '0.3.1rc'
 
 from dicomweb_client.api import DICOMWebClient

src/dicomweb_client/api.py

@@ -591,7 +591,8 @@ def search_for_studies(self, fuzzymatching=None, limit=None, offset=None,
         Returns
         -------
         List[Dict[str, dict]]
-            matching instances
+            study representations
+            (see `returned attributes <http://dicom.nema.org/medical/dicom/current/output/chtml/part18/sect_6.7.html#table_6.7.1-2>`_)
 
         '''
         url = self._get_studies_url()
@@ -700,7 +701,8 @@ def search_for_series(self, study_instance_uid=None, fuzzymatching=None,
         Returns
         -------
         List[Dict[str, dict]]
-            matching instances
+            series representations
+            (see `returned attributes <http://dicom.nema.org/medical/dicom/current/output/chtml/part18/sect_6.7.html#table_6.7.1-2a>`_)
 
         '''
         url = self._get_series_url(study_instance_uid)
@@ -793,7 +795,8 @@ def search_for_instances(self, study_instance_uid=None,
         Returns
         -------
         List[Dict[str, dict]]
-            matching instances
+            instance representations
+            (see `returned attributes <http://dicom.nema.org/medical/dicom/current/output/chtml/part18/sect_6.7.html#table_6.7.1-2b>`_)
 
         '''
         url = self._get_instances_url(study_instance_uid, series_instance_uid)