GuessController: added @View and brought method names into the same form
implemented method to get all guesses of a lecture
implemented call for retrieving single guess of user for lecture
renamed variables
added possibility to submit counts
fixed GameWinnerDetector::__construct signature
fixed syntax errors, bugs in output, etc.
implemented possibility for users to add guesses
fixed variable name typos and small validation whoes
added lecture update calls to guess controller
removed PUT guesses route; other minor changes
Merge pull request #8 from n3rtrivium/dev_rest_guesses

Implemented methods to submit user guesses