Minor fix and typo correction

Merge pull request #27 from rafspiny/testing

Minor fix and code quality improvement

WebExtension format

Changelog:

• Moving from JPM to WebExtension

Bugfix

Changelog:

• Fixing bug that caused missing objects in array comparison
• Using JQuery 3.x instead of JQuery 1.x

Improvements

Changelog:

• UI fix
• Feature: format JSON

Filling added object

When a object is added, the full three won't be showed. This release fix this problem

Fix #10

Hotfix: JSON Array

Along with some minor UI fix, the big change in this release is the release is the fix to handle array in the JSON object.

Fix #8