Split README.rst into appropriate docs sections

docs/configuration.rst

@@ -0,0 +1,60 @@
+Configuration
+=============
+
+If you don't like VCR's defaults, you can set options by instantiating a
+``VCR`` class and setting the options on it.
+
+.. code:: python
+
+
+    import vcr
+
+    my_vcr = vcr.VCR(
+        serializer='json',
+        cassette_library_dir='fixtures/cassettes',
+        record_mode='once',
+        match_on=['uri', 'method'],
+    )
+
+    with my_vcr.use_cassette('test.json'):
+        # your http code here
+
+Otherwise, you can override options each time you use a cassette.
+
+.. code:: python
+
+    with vcr.use_cassette('test.yml', serializer='json', record_mode='once'):
+        # your http code here
+
+Note: Per-cassette overrides take precedence over the global config.
+
+Request matching
+----------------
+
+Request matching is configurable and allows you to change which requests
+VCR considers identical. The default behavior is
+``['method', 'scheme', 'host', 'port', 'path', 'query']`` which means
+that requests with both the same URL and method (ie POST or GET) are
+considered identical.
+
+This can be configured by changing the ``match_on`` setting.
+
+The following options are available :
+
+-  method (for example, POST or GET)
+-  uri (the full URI.)
+-  host (the hostname of the server receiving the request)
+-  port (the port of the server receiving the request)
+-  path (the path of the request)
+-  query (the query string of the request)
+-  raw\_body (the entire request body as is)
+-  body (the entire request body unmarshalled by content-type
+   i.e. xmlrpc, json, form-urlencoded, falling back on raw\_body)
+-  headers (the headers of the request)
+
+   Backwards compatible matchers:
+-  url (the ``uri`` alias)
+
+If these options don't work for you, you can also register your own
+request matcher. This is described in the Advanced section of this
+README.