Occasional name conflict

[AlanCoding]

Sometimes we can get duplicate name errors like this:

creating bulk data
Traceback (most recent call last):
  File "create_data.py", line 435, in <module>
    create_resource_data(res)
  File "create_data.py", line 147, in create_resource_data
    r = res_mod.create(**kwargs)
  File "/Users/alancoding/.virtualenvs/cli2/lib/python2.7/site-packages/ansible_tower_cli-2.3.1-py2.7.egg/tower_cli/models/base.py", line 992, in create
    **kwargs
  File "/Users/alancoding/.virtualenvs/cli2/lib/python2.7/site-packages/ansible_tower_cli-2.3.1-py2.7.egg/tower_cli/models/base.py", line 600, in write
    r = getattr(client, method.lower())(url, data=kwargs)
  File "/Users/alancoding/.virtualenvs/cli2/lib/python2.7/site-packages/requests/sessions.py", line 511, in post
    return self.request('POST', url, data=data, json=json, **kwargs)
  File "/Users/alancoding/.virtualenvs/cli2/lib/python2.7/site-packages/ansible_tower_cli-2.3.1-py2.7.egg/tower_cli/api.py", line 169, in request
    kwargs.get('data', None), r.content.decode('utf8'))
tower_cli.utils.exceptions.BadRequest: The Tower server claims it was sent a bad request.

POST http://192.168.100.128:8013/api/v1/inventories/
Params: None
Data: {"organization": 14, "name": "Kshlerin Group", "description": "Visionary demand-driven migration"}

Response: {"name":["Inventory with this Name already exists."]}

Pushed a fix that should stop it, but want to track the status.