Catch UnprocessableEntityException

Currently not caught when creating a branch.
From 3.7 it is propagated to the client.

Change-Id: I85ea421c24dafa88809ebaad86e1541332957769
1 file changed
tree: 645ace931ea0ec099dafd792ad3f2609f2b4e31d
  1. src/
  2. .gitignore
  3. BUILD