added readme

README.md

@@ -1,2 +1,28 @@
-# GEX-Client-Py
-Python client for GEX. / W.I.P. / Bugs abundant
+# Python client for GEX
+
+This is the primary GEX front-end for user scripting.
+
+GEX configuration can be persisted on-chip or loaded dynamically using 
+the client from a INI file or string.
+
+A sample GEX script could look like this:
+
+```python
+
+#!/bin/env python3
+import time
+import gex
+
+client = gex.Client()
+
+led = gex.Pin(client, 'LED')
+
+for i in range(0,10):
+    led.toggle()
+    time.sleep(.1)
+
+```
+
+The client instance can be used to send control commands directly, bypassing the unit drivers.
+Writing new unit drivers is simple and straightforward. See any of the existing units for reference.
+

main.py

@@ -1,6 +1,5 @@
 #!/bin/env python3
 import time
-
 import gex
 
 client = gex.Client()