updated QuestionService to use subclassed PaginatedResults objects
JSON deserialization working for PaginatedQuestions and PaginatedSolutions
it's working (?)
added QuestionServiceIntegrationTest
getSolutions working
Merge pull request #38 from bkng/master

getQuestions and getSolutions stack functional/lightly tested
fixed style for back-end code. Refactored code. Handled bad inputs and errors. Basically changed everything, I'm a boss.