Strip question search strings

[zachd]

Sadly this didn't do a whole lot to help. I wanted to remove punctuation from the question search strings.

See the changes per commit below:

ORIGINAL Total correct: 741/1090 | 67.98% | {1: 83, 2: 80, 3: 78, 4: 64, 5: 69, 6: 65, 7: 60, 8: 57, 9: 48, 10: 43, 11: 42, 12: 51, 13: 0, 14: 0, 15: 1}
COMMIT 1 Total correct: 738/1090 | 67.71% | {1: 83, 2: 81, 3: 79, 4: 65, 5: 69, 6: 66, 7: 59, 8: 53, 9: 47, 10: 42, 11: 43, 12: 50, 13: 0, 14: 0, 15: 1}
                                                 =     +1     +1     +1      =     +1     -1     +4     -1      -1      -1      -1      =      =      = 

ORIGINAL Total correct: 741/1090 | 67.98% | {1: 83, 2: 80, 3: 78, 4: 64, 5: 69, 6: 65, 7: 60, 8: 57, 9: 48, 10: 43, 11: 42, 12: 51, 13: 0, 14: 0, 15: 1}
COMMIT 2 Total correct: 738/1090 | 67.71% | {1: 83, 2: 81, 3: 78, 4: 65, 5: 67, 6: 64, 7: 59, 8: 55, 9: 50, 10: 42, 11: 45, 12: 48, 13: 0, 14: 0, 15: 1}
                                                 =     +1      =     +1     -2     -1     -1     -2     +2      -1      +3      -3      =      =      =