Update README.md

We're now on PyPI

Author: labkey-nicka

README.md

@@ -2,10 +2,10 @@
 Python client API for LabKey Server. To get started, please see the [full documentation for this library](https://www.labkey.org/wiki/home/Documentation/page.view?name=python).
 
 # Installation
-Currently, the labkey-api-python library can only be installed via source. To install, clone this repository then run:
+To install, simply use `pip`:
 
 ```bash
-$ python setup.py install
+$ pip install labkey
 ```
 
 # Credentials
@@ -32,4 +32,4 @@ Python 2.6 or 2.7 are fully supported.
 LabKey Server v11.1 and later.
 
 # Contributing
-This library and the LabKey Server are maintained by the LabKey Software Foundation. If you have any questions or need support, please use the [LabKey Server support forum](https://www.labkey.org/wiki/home/page.view?name=support).
+This library and the LabKey Server are maintained by the LabKey Software Foundation. If you have any questions or need support, please use the [LabKey Server support forum](https://www.labkey.org/wiki/home/page.view?name=support).