Clean up code
Update dependencies
Add application/json source map support (#1282)
Remove Babel
Use .es6 ext for ES6 sources
Clean up code styles
Add support for inlined map with base64 encoding
Lint code with ESLint
Remove outdated comments because we have API.md
Clean up imports
Use ES6 export statement instead of module.exports
Use ES6 import
Inline maps by default
Add Input class to take repeated code from Parser and Tokenizer
Detect from input file name by prev map
PreviousMap now works with CSS string
Typo
Trim UTF-8 BOM marker
Fix UTF-8 support in inline maps
Allow to miss file name for inline maps
Add JS lint and fix all warnings
Convert PreviousMap to ES6