Include aliases in completetions

While it looks a bit funny, it is valid to use an existing virtual
environment as the [version] when creating a new one.

Author: samdoran

bin/pyenv-virtualenv

@@ -24,7 +24,7 @@ fi
 
 # Provide pyenv completions
 if [ "$1" = "--complete" ]; then
-  exec pyenv-versions --bare --skip-envs --skip-aliases
+  exec pyenv-versions --bare --skip-envs
 fi
 
 unset PIP_REQUIRE_VENV