Simple node.js logger api
Add new line to log url: /LOG_NAME/set/LINE_TEXT/API_KEY
Get log url: /LOG_NAME/get/API_KEY
Get log last N lines url: /LOG_NAME/get/N/API_KEY
Clear log url: /LOG_NAME/clear/API_KEY
Check if log exists url: /LOG_NAME/exists/API_KEY
#TODO Api key register and api key storage