Log Message:
py-dulwich: updated to 0.19.5

0.19.5:
IMPROVEMENTS
Add porcelain.describe.

BUG FIXES
Fix regression in dulwich.porcelain.clone that prevented cloning of remote \ 
repositories.
Don’t leave around empty parent directories for removed refs.

0.19.4:
IMPROVEMENTS
Add porcelain.ls_files.
Add Index.items.

BUG FIXES
Avoid unicode characters (e.g. the digraph ij in my surname) in setup.cfg, since \ 
setuptools doesn’t deal well with them.