Update changelog/release v1.4.13.
+# v1.4.13
+
++ Fix `exclude_dir` in `files.sync` operation (@gchazot)
++ Fix multiple nested imports by properly resetting current exec filename
++ Improve error when there are no Vagrant instances and a name is provided
+
# v1.4.12
+ Support tag names in `git.GitBranch` fact (@stevenkaras)
