Updated requests package to v2.2.1

It was included, but never used. However, lots of code can improve from this.

lib/requests/hooks.py

@@ -8,28 +8,25 @@ This module provides the capabilities for the Requests hooks system.
 
 Available hooks:
 
-``args``:
-    A dictionary of the arguments being sent to Request().
-
-``pre_request``:
-    The Request object, directly after being created.
-
-``pre_send``:
-    The Request object, directly before being sent.
-
-``post_request``:
-    The Request object, directly after being sent.
-
 ``response``:
     The response generated from a Request.
 
 """
 
 
-HOOKS = ('args', 'pre_request', 'pre_send', 'post_request', 'response')
+HOOKS = ['response']
 
 
-def dispatch_hook(key, hooks, hook_data):
+def default_hooks():
+    hooks = {}
+    for event in HOOKS:
+        hooks[event] = []
+    return hooks
+
+# TODO: response is the only one
+
+
+def dispatch_hook(key, hooks, hook_data, **kwargs):
     """Dispatches a hook dictionary on a given piece of data."""
 
     hooks = hooks or dict()
@@ -41,9 +38,8 @@ def dispatch_hook(key, hooks, hook_data):
             hooks = [hooks]
 
         for hook in hooks:
-            _hook_data = hook(hook_data)
+            _hook_data = hook(hook_data, **kwargs)
             if _hook_data is not None:
                 hook_data = _hook_data
 
-
     return hook_data