(dev) remove rewire, add babel-plugin-rewire. (#44)

* removed rewire. now using babel-rewire instead

* implemented more tests

* changed some eslint params

* linting

* linting

* coverage on getChant

Co-authored-by: Marcus Netz <marcus.netz@godyo.com>

functions/Capitalize.js

@@ -1,5 +1,5 @@
 const Capitalize = (Word = 'none') => {
-	return Word[0].toUpperCase() + Word.substring(1);
+    return Word[0].toUpperCase() + Word.substring(1);
 };
 
 module.exports = { Capitalize };