Merge pull request #104 from TheKojuEffect/master

Add "List Sales/Purchases" features
Set up for deployment with arguments when application start

Merge branch 'develop'
Merge pull request #105 from TheKojuEffect/master

Set up for jar packaging & arguments for application start
Add MIT License

A permissive license that is short and to the point. It lets people do anything with your code with proper attribution and without warranty.