Added Types and Unit tests

README.md

@@ -5,10 +5,26 @@ efficient and no dependencies.
 ## Usage
 Only one method is provided;
 ```js
-const csv = 'Name,Age,Location\nDom,26,Sydney\nSteve,30,New York';
+const csv = 'Name,Age,Location\nDom,26,"Sydney, Australia"\nSteve,30,"New York, USA"';
 parseCSV(csv, function(headers, line, index) {
   console.log(index, '-', line[headers.indexOf('Name')]);//1 - Dom
   return true;//Return false to break loop
 })
 ```
-To stay efficient we ask for a callback that is fired for every line parsed.
+To stay efficient we ask for a callback that is fired for every line parsed.
+
+## Options
+Options can be provided if necessary;
+```js
+parseCSV(csv, (headers,line,index) => true, {
+  skipBlanks: false
+});
+```
+
+Current Options;
+```
+skipBlanks - True or False, whether or not to skip blank lines
+```
+
+## Testing
+Tests are written in jest. Run `yarn test`