Added pause/unpause methods.

README.md

@@ -181,6 +181,12 @@ The `logs` function is a wrapper around this one, which you can use
 instead if you want to fetch/stream container output without first
 retrieving the entire backlog.
 
+```python
+c.pause(container)
+```
+
+Pauses all processes within a container.
+
 ```python
 c.ping()
 ```
@@ -307,6 +313,12 @@ c.top(container)
 
 Identical to the `docker top` command.
 
+```python
+c.unpause(container)
+```
+
+Unpauses all processes within a container.
+
 ```python
 c.version()
 ```

docker/client.py

@@ -696,6 +696,13 @@ class Client(requests.Session):
             logs=True
         )
 
+    def pause(self, container):
+        if isinstance(container, dict):
+            container = container.get('Id')
+        url = self._url('/containers/{0}/pause'.format(container))
+        res = self._post(url)
+        self._raise_for_status(res)
+
     def ping(self):
         return self._result(self._get(self._url('/_ping')))
 
@@ -922,6 +929,13 @@ class Client(requests.Session):
     def version(self):
         return self._result(self._get(self._url("/version")), True)
 
+    def unpause(self, container):
+        if isinstance(container, dict):
+            container = container.get('Id')
+        url = self._url('/containers/{0}/unpause'.format(container))
+        res = self._post(url)
+        self._raise_for_status(res)
+
     def wait(self, container):
         if isinstance(container, dict):
             container = container.get('Id')