Content is good for now.
TODO: [ fix descriptions in professionalexperience.java and
personalprojects.java, try alternative date solutions, add unit tests to
* ]
Adding .gitignore
Switched to using toString() representations of each class

Created Description class to encapsulate multi-part descriptions of
items
- Creating descriptions for each previous work/personalproject item
- Isolating creation of StringBuilder into PrintableSection class to
extend from
- Minor formatting changes

* Could use some new date handling as to not use deprecated calls
* Could use some re-organization into various packages