Merge pull request #19 from ericmathison/master

Downcase response to avoid comparing special cases

updated to-do list in Readme.md

changed ascii image for game_over

Merge pull request #18 from Jimfarrugia/ascii_lives

updated victory image (removed trailing newlines

Added ASCII images throughout game

also added variable to store maximum attemps (@attempts_allowed) in last commit. Updated readme.

Added calls for ascii art to endpoints for invalid guess to display when user has lost at least one life

edited comments. removed redundant handling of spaces when building progress array in setup method

created method, ascii_img(file_name) for building ascii image path and reading file. DRY(er) code.

updated readme

added ascii image to victory screen. ascii depictions of lives-left now displays on correct guess if player has lost at least one life.

added ascii text files, added a few lines to the incorrect-guess endpoint to display ascii depictions of lives left

fixed path error to ascii dir by using File.join to build path in welcome method; title