Security fixes (#32)

* Generic Object Injection Sink

* (fix) "Character" is not defined.

* added eslint

* improve code quality, use refactored function

* (fix) eslint jest

* "Character" is not defined

* removed unused file Compare.js

* (fix) PointsUsed is not defined

* (fix) eslint moans jsconfig

* turn off "no-prototype-builtins"

* push code coverage

__tests__/functions/Capitalize.js

@@ -4,3 +4,7 @@ const { Capitalize } = require('@dsabot/Capitalize');
 it('should capitalize the first letter.', () => {
     expect(Capitalize('mother')).toBe('Mother');
 });
+
+it('should capitalize without any word given', () => {
+    expect(Capitalize()).toBe('None');
+});