v0.12.1

• Fixed: 'TF14045: The identity MYDOMAIN\John Doe is not a recognized identity' (#76, #81)
• Fixed: exception on unshelve if some items was renamed (#77)
• Fixed: rare problem when TFS' mixed mode assemblies cannot be loaded correctly (#93)
• Some fixes for Unicode filenames and TFS usernames (#80)
• git-tfs exit codes are now positive
• git-tfs cleans up files if clone command resulted in exception (#94)
• Restored VS2008 functionality (#99)