v1.0.0

Improvements

• Major overhaul and refactor #12 [refactor] (@mesaugat)
• Integrate Travis CI for runnings tests #11 [test] (@kabirbaidhya)
• Add tests for all the key code constants #9 [test] (@frameshft)
• Generate type definitions (d.ts) file to add support for TypeScript #6 [enhancement] [feature]
• Replace webpack with rollup #3 [enhancement](@mesaugat)
• Use named export to export each key code separately #10 [enhancement] [refactor] (@mesaugat)
• Add TypeScript declaration file #8 [enhancement] (@bryanjhv)
• Add changelog and changelog generation script #7 [doc] [enhancement] (@kabirbaidhya)

Closed issues

• Use ES2015 individual export instead of returning a wrapper object with constants. #5 [refactor]
• Write unit tests to test it returns all the constant keys with correct values #4 [test]
• Integrate Travis CI and add a travis badge #2

Thanks @mesaugat @bryanjhv @frameshft for the contribution.