Make sections Markdown correct in README.md

README.md

-#Haskeline
+# Haskeline
 
 The Haskeline library provides a user interface for line input in command-line programs.
 This library is similar in purpose to readline, but since it is written in Haskell it is (hopefully)
 more easily used in other Haskell programs.
 
-##Links
+## Links
 The latest release, as well as the API documentation, may be obtained from [Hackage](http://hackage.haskell.org/package/haskeline).
 
 The most recent development source code can be downloaded with:
@@ -15,7 +15,7 @@ Further documentation is also available at
 [https://github.com/judah/haskeline/wiki](https://github.com/judah/haskeline/wiki)
 
 
-##Features:
+## Features:
 
  - Provides a [rich line editing interface](http://trac.haskell.org/haskeline/wiki/KeyBindings).
  - A `~/.haskeline` file allows customization of [preferences](http://trac.haskell.org/haskeline/wiki/UserPrefs) and [custom key bindings](http://trac.haskell.org/haskeline/wiki/CustomKeyBindings).