[enh] release 0.6.3

CHANGELOG

 Changelog
 =========
-0.6.3 (unreleased)
+0.6.3 (2017-01-02)
 -----------------
 - fix help() after append

setup.py

@@ -12,7 +12,7 @@ except ImportError:
 setup(name='redbaron',
-      version='0.6.2',
+      version='0.6.3',
       description='Abstraction on top of baron, a FST for python to make writing refactoring code a realistic task',
       author='Laurent Peuch',
       long_description=read_md("README.md") + "\n\n" + open("CHANGELOG", "r").read(),
@@ -22,7 +22,7 @@ setup(name='redbaron',
       extras_require={
           "notebook": ["pygments"],
       },
-      license= 'lgplv3+',
+      license='lgplv3+',
       packages=["redbaron"],
       keywords='baron fst ast refactoring',
       classifiers=['Development Status :: 3 - Alpha',
@@ -37,4 +37,4 @@ setup(name='redbaron',
                    'Topic :: Software Development :: Code Generators',
                    'Topic :: Software Development :: Libraries',
                    ],
-     )
+      )