Melkit

New sample input file added.

Minor fixes for spacing compatibility.

Includes minor fixes and spacing compatibility.

Added overwrite option for `remove_comments` Toolkit method.

Minor fixes in `write_object` method.

Improved and simpler write / delete / update methods!

What's Changed
* [ISSUE-12] Added overwrite option to write, remove and update methods by manjavacas in https://github.com/manjavacas/melkit/pull/13


**Full Changelog**: https://github.com/manjavacas/melkit/compare/v0.1.5...v0.1.6