Remove old message 'Problem Solved'
Add new solveroutput function in CAT: protected and static
Prints dots on command line, improvised progress bar
Implement solveroutput function in all solvers
Fix indentation in solveroutput function
Delete remaining references to improvised progress bar
Remove for loop in solveroutput in favour of using max - only value which matters
Add solveroutput function in CATTube which uses progress bar - overwrites CAT.solveroutput
Fixes #82
Change label on progress bar