added behaviours allowing rosafactory to determine the relevance of questions and updated tests
added new functionality and revised existing functions of baseresource.
Merge pull request #29 from skibz/feature/rosa-update

feature/rosa-update
added exceptions to be thrown upon a jedisexception being caught.
fixed class initialisation errors
Merge pull request #27 from skibz/feature/baseresource

Base resource class for HTTP resources that need access to redis.
(hopefully) resolved merge conflicts.
added more comprehensive test cases for baseresource class.