A couple new definitions, some more unicode for 2.7 (#185)

* Action.__init__(); ArgumentParser.__init__() & print_help()

* pprint() & pformat()

* added unicode support to url{parse,split,join,defrag}

* add unicode support to requests.api

stdlib/2.7/pprint.pyi

@@ -6,15 +6,18 @@ from typing import IO, Any
 
 def pprint(object: Any, stream: IO[str] = ..., indent: int = ..., width: int = ...,
            depth: int = ...) -> None: ...
-def pformat(object, indent=..., width=..., depth=...): ...
+def pformat(object: Any, indent: int =..., width: int =..., depth: int =...) -> str: ...
 def saferepr(object): ...
 def isreadable(object): ...
 def isrecursive(object): ...
 
 class PrettyPrinter:
-    def __init__(self, indent: int = ..., width: int = ..., depth: int = ...,
-                 stream: IO[str] = ...) -> None: ...
-    def pprint(self, object): ...
+    def __init__(self,
+                 indent: int = ...,
+                 width: int = ...,
+                 depth: int = ...,
+                 stream: IO[Any] = ...) -> None: ...
+    def pprint(self, object: Any) -> str: ...
     def pformat(self, object): ...
     def isrecursive(self, object): ...
     def isreadable(self, object): ...