G2P Client search_phenotype missing qualifiers parameter

[bwalsh]

Bug: Searching by qualifier is missing from the client.
(The parameter and functionality is there on server)

Work in progress snippets below ...

$ git diff  ga4gh_client/client.py
diff --git a/ga4gh_client/client.py b/ga4gh_client/client.py
index e4aeb0e..668d6db 100644
--- a/ga4gh_client/client.py
+++ b/ga4gh_client/client.py
@@ -678,7 +678,7 @@ class AbstractClient(object):

     def search_phenotype(
             self, phenotype_association_set_id=None, phenotype_id=None,
-            description=None, type_=None, age_of_onset=None):
+            description=None, qualifiers=None, type_=None, age_of_onset=None):
         """
         Returns an iterator over the Phenotypes from the server
         """
@@ -690,6 +690,8 @@ class AbstractClient(object):
             request.description = description
         if type_:
             request.type.mergeFrom(type_)
+        if qualifiers:
+            request.qualifiers.extend(qualifiers)
         if age_of_onset:
             request.age_of_onset = age_of_onset
         request.page_size = pb.int(self._page_size)


$ git diff  tests/unit/test_client.py
diff --git a/tests/unit/test_client.py b/tests/unit/test_client.py
index f599efb..af11178 100644
--- a/tests/unit/test_client.py
+++ b/tests/unit/test_client.py
@@ -56,6 +56,9 @@ class TestSearchMethodsCallRunRequest(unittest.TestCase):
         self.rnaQuantificationId = "rnaQuantificationId"
         self.expressionLevelId = "expressionLevelId"
         self.threshold = 0.0
+        self.qualifiers = [protocol.OntologyTerm(), protocol.OntologyTerm()]
+        self.qualifiers[0].id = "q0"
+        self.qualifiers[1].id = "q1"

     def testSetPageSize(self):
         testClient = client.AbstractClient()
@@ -383,6 +386,19 @@ class TestSearchMethodsCallRunRequest(unittest.TestCase):
             request, "phenotypes",
             protocol.SearchPhenotypesResponse)

+    def testSearchPhenotypeQualifiers(self):
+        request = protocol.SearchPhenotypesRequest()
+        request.phenotype_association_set_id = \
+            self.phenotype_association_set_id
+        request.qualifiers.extend(self.qualifiers)
+        request.page_size = self.pageSize
+        self.httpClient.search_phenotype(
+            phenotype_association_set_id=self.phenotype_association_set_id,
+            qualifiers=self.qualifiers)
+        self.httpClient._run_search_request.assert_called_once_with(
+            request, "phenotypes",
+            protocol.SearchPhenotypesResponse)
+
     def testSearchPhenotypeAssociationSets(self):
         request = protocol.SearchPhenotypeAssociationSetsRequest()
         request.dataset_id = self.datasetId