bugfix: capitalization shouldn't affect l33t substitution entropy
bugfix: capitalization shouldn't affect l33t substitution entropy

hnq90/zxcvbn,fo0nikens/zxcvbn,varenc/zxcvbn,fo0nikens/zxcvbn,hn3000/zxcvbn,shotishu/zxcvbn,varenc/zxcvbn,alextekartik/zxcvbn,alextekartik/zxcvbn,signalnine/zxcvbn,signalnine/zxcvbn,varenc/zxcvbn,shotishu/zxcvbn,alextekartik/zxcvbn,paulballesty/zxcvbn,dropbox/zxcvbn,hnq90/zxcvbn,shotishu/zxcvbn,fo0nikens/zxcvbn,hnq90/zxcvbn,signalnine/zxcvbn