First push to develop
Added Item class and Sale class to the project
Modified the Sale Class, and the initial identification was deleted
Modified the way how the number is set to allow the use of Decimal points.
Now everything has precision to 2 decimals
Reformatted the way how to print it
Several definitions added to the project
Modified some classes
Modified the way how sale is represented
Modified the way how the sale is written in the file
- Reformatted the way how the Items are showed.
- Added a new Exception in case of the file is empty.
- Added several definitions into Main.
- Created item.dat
- Added one more option (Modify items)
- Added modify item method.
Merge between develop and master
Revert "Initial commit"

This reverts commit 7a963886cbca60407c09c1761431f0daa6b4b66b.
First merge
Merge branch 'master' of https://github.com/Bonsanto/articles-sales-file

Conflicts:
	.idea/workspace.xml