Updated example to py3 syntax and fixed a few typos in the code snippet (#62)

Author: rednafi

README.md

@@ -40,29 +40,32 @@ For more details, visit [http://redisearch.io](http://redisearch.io)
 from redisearch import Client, TextField
 
 # Creating a client with a given index name
-client = Client('myIndex')
+client = Client("myIndex")
 
 # Creating the index definition and schema
-client.create_index((TextField('title', weight=5.0), TextField('body')))
+client.create_index((TextField("title", weight=5.0), TextField("body")))
 
 # Indexing a document
-client.add_document('doc1', title = 'RediSearch', body = 'Redisearch impements a search engine on top of redis')
+client.add_document(
+    "doc1",
+    title="RediSearch",
+    body="Redisearch implements a search engine on top of redis",
+)
 
 # Simple search
 res = client.search("search engine")
 
 # Searching with snippets
-res = client.search("search engine", snippet_sizes = {'body': 50})
+res = client.search("search engine", snippet_sizes={"body": 50})
 
-# Searching with complext parameters:
-q = Query("search engine").verbatim().no_content().with_scores().paging(0,5)
+# Searching with complex parameters:
+q = Query("search engine").verbatim().no_content().with_scores().paging(0, 5)
 res = client.search(q)
 
 
-# the result has the total number of results, and a list of documents
-print res.total # "1"
-print res.docs[0].title 
-
+# The result has the total number of results, and a list of documents
+print(res.total)  # "1"
+print(res.docs[0].title)
 ```
 
 ## Installing