v0.4.0

• Development mode now watches files the configuration and component files to update the changes automatically. (#19)
• Fixed always asking if the user wants to overwrite existing token on zeplin login command. (#18)
• Added logging more verbose data on a local log file for troubleshooting purposes (#17)
• Added to prompt if a new version of @zeplin/cli exists (#16)
• Removed storybook link creation (Moved into its own plugin)
• Removed redundant -p --port option