make api more pythonic, add __doc__ to functions

README

@@ -24,15 +24,16 @@ pandora client example:
 
 
 just using the API:
-  api = pandora_client.API("http://localhost:8000/api/")
-  r = api.find({
-    'query': {'conditions':[]},
-    'keys': ['title', 'year'],
-    'range': [0, 100]
-  })
-  for i in r['data']['items']:
-    ...
-    
-api features and documentation is available at the api end point,
-i.e. http://localhost:8000/api/
+    api = pandora_client.API("http://localhost:8000/api/")
+    r = api.find(
+        query={'conditions':[]},
+        keys=['title', 'year'],
+        range=[0, 100]
+    )
+    for i in r['data']['items']:
+        ...
+
+forther api documentation is available as python docstrings.
+ api.find?
+and there is a web api documentation at i.e. http://localhost:8000/api/