Added LBPersonTests.
Added LBPerson class.
Implemented initWithName:avatarLocation: method.
Tests for checking name and avatar location.
addQuestion method implemented.
Testing question list.
.gitignore fix.
Sorting array of questions by date.
Testing if questions are in newest to oldest order.
Returning only 20 questions.
Test for checking the limit of returned questions now works.
Refactor.
Added LBAnswerTests.
Deleted comments.
Added LBAnswer class.
Implemented LBAnswerTests.
Implemented LBQuestionTests
Added compare method.
New line for readability.
Refactor.