Start on 0.15.0.

NEWS

@@ -1,3 +1,5 @@
+0.15.0	UNRELEASED
+
 0.14.1	2016-07-05
 
  BUG FIXES

dulwich/__init__.py

@@ -21,4 +21,4 @@
 
 """Python implementation of the Git file formats and protocols."""
 
-__version__ = (0, 14, 1)
+__version__ = (0, 15, 0)

setup.py

@@ -8,7 +8,7 @@ except ImportError:
     from distutils.core import setup, Extension
 from distutils.core import Distribution
 
-dulwich_version_string = '0.14.1'
+dulwich_version_string = '0.15.0'
 
 include_dirs = []
 # Windows MSVC support