Plugin stuck in "downloading/updating" state

[joreiff]

If no new version of the server binary is available, the plugin gets stuck in the "downloading/updating" state. This is caused by the auto_update_executable function setting cls.downloading = True, but returning without setting it fo False again:

sublime-jsoncomma/server.py

Lines 254 to 256 in 2f864e6

	if current_version == latest_version:
	# don't need to update
	return executable_path