add time check to create_image method to monitor performance
refactor pick_png to move num/punct hashes to CONSTANTS
change filename lookups to only need 1 dir read per quote
improve performance by limiting Dir reads

assign filenames to variables one time per quote
instead of looking up each letter separately
improves performance substantially
moved red characters to subdirectories to facilitate
refactor/clean up quotemaker.rb
move all type images to subdirectories
module refactoring partially done
comment out time reports