Added core_tests suite.
Fixed typo "heplers" and added jQuery.
Added authors.
Added one subject.
Modified test values.
Major refactorings. Removed obj = all case. Data return and no longer stored in dataStore object.
Refactorings.
Refactorings.
Added core.js.
Changed loadData to call the web service synchronously.
Fixed and added some tests. All passing.