Bump version to v0.13.0-dev

Author: edschofield

future/__init__.py

@@ -72,8 +72,8 @@
 __license__ = 'MIT'
 __copyright__ = 'Copyright 2014 Python Charmers Pty Ltd'
 __ver_major__ = 0
-__ver_minor__ = 12
-__ver_patch__ = 5
+__ver_minor__ = 13
+__ver_patch__ = 0
 __ver_sub__ = '-dev'
 __version__ = "%d.%d.%d%s" % (__ver_major__, __ver_minor__,
                               __ver_patch__, __ver_sub__)