Release v0.1.4

• Improve coding style and fix for linters

Release v0.1.3

• Optimize writing escape sequences and indentations.

Release v0.1.2

• Quote multi-line string with leading tab character.
• Quote the marker of end of document (...).

Release v0.1.1

• Improve performance by reducing write system calls.

Release v0.1.0

Initial release.