print winner name
score tracking.
split question timeout into two methods
move questions file
ignore questsions files
load questions one at a time and from multiple files

Allow questions to be stored in multiple .txt files in a directory.
Each time a new question is selected, a random file is opened and a
random line is selected from that file. This is suboptimal,  but works.

probability of any given question being chosen: (1/files)(1/lines),
thus files with fewer lines are penalized...
strip answers before checking
colorize some messages
strip and downcase all answers
add repeat command
hints
fix choosing only the first question in a file