Fix collaborator and team manager functions

Author: jhodges10

frameioclient/services/projects.py

@@ -140,7 +140,7 @@ def add_collaborator(self, project_id, email):
 
         payload = {"email": email}
         endpoint = "/projects/{}/collaborators".format(project_id)
-        return self._api_call("post", endpoint, payload=payload)
+        return self.client._api_call("post", endpoint, payload=payload)
 
     def remove_collaborator(self, project_id, email):
         """
@@ -159,4 +159,4 @@ def remove_collaborator(self, project_id, email):
         """
 
         endpoint = "/projects/{}/collaborators/_?email={}".format(project_id, email)
-        return self._api_call("delete", endpoint)
+        return self.client._api_call("delete", endpoint)

frameioclient/services/teams.py

@@ -87,7 +87,7 @@ def add_members(self, team_id, emails):
         payload["batch"] = list(map(lambda email: {"email": email}, emails))
 
         endpoint = "/batch/teams/{}/members".format(team_id)
-        return self._api_call("post", endpoint, payload=payload)
+        return self.client._api_call("post", endpoint, payload=payload)
 
     def remove_members(self, team_id, emails):
         """
@@ -102,4 +102,4 @@ def remove_members(self, team_id, emails):
         payload["batch"] = list(map(lambda email: {"email": email}, emails))
 
         endpoint = "/batch/teams/{}/members".format(team_id)
-        return self._api_call("delete", endpoint, payload=payload)
+        return self.client._api_call("delete", endpoint, payload=payload)