Added a small test suite

[dmmiller612]

I saw that you guys didn't want any external dependencies, so I decided to create a test suite from scratch. To run the tests, just type 'ant test'. I thought before others start adding tests, this should be added.

To create a test, the file needs to live under src/test/unit . To create a test method, the method must start with the name "test". So for example, "testSomething" will be ran again the tester, but "randomMethod" will not be.