v1.4.0 - Integrate graylog

What's Changed

• Feature/integrate graylog by @AmareDeus in #21
• Develop by @AmareDeus in #22
• fix console.log by @AmareDeus in #23
• add console method by @AmareDeus in #24
• add comments by @AmareDeus in #25
• add GRAYLOG_APP_NAME by @AmareDeus in #26
• Develop by @AmareDeus in #27
• prepare release by @AmareDeus in #28
• upgrade eslint by @AmareDeus in #29
• Develop by @AmareDeus in #30
• prepare release by @AmareDeus in #31

Full Changelog: v1.3.1...v1.4.0