Progress bar that grows from left to right
Remove unneccessary count of specs in favour of Statistics Collector
Fixing numbers on right hand side
Move responsibility for counting total specs in suite to StatisticsCollector
Refactor formatter + reduce flicker in progress bar

IO now only updates the minimal rightmost changed section of output
Fixing off-by-one error on progress calculation
Adding basic test coverage
Merge pull request #497 from ciaranmcnulty/moving-progress-bar

Progress bar that grows from left to right