v0.0.3

http_duration metrics, improved log message, improved locking, remove travis #14

• Add http_duration metrics
• Add log message when request has finished
• Only lock API calls for a specific instance name, and do not block read operations like /metrics
• Replace travis ci for github actions

v0.0.2

Add cors middleware

More info: https://github.com/gorilla/mux#handling-cors-requests

v0.0.1

Fix copy-paste mistake