removed frameon attribute from plot confusion matrix which was giving an error with matplotlib version
removed frameon attribute from plot confusion matrix which was giving an error with matplotlib version
fixing issue #21: initializing 'var' to 0.0 in method 'score'.
Merge pull request #22 from itakatz/master

fixing issue #21: initializing 'var' to 0.0 in method 'score'.
Merge remote-tracking branch 'upstream/master'