v0.4.0

• The config file option load the imposters path relative on where the config file is
• Upgrade Killgrave to go1.13
• Remove use of github.com/pkg/errors in favor to standard errors package
• Remove backward compatibility with previous versions to go 1.13
• Add -watcher flag to reload the server with any changes on imposters folder
• Fix searching imposter files mechanism
• Add proxy server feature
• Allow to add latency to responses