added note about modeling a song getting played
fixed formatting on pairing expectations
formatted attr to look like code
updated week 5 link
created example for creating a class inside a class.
merging changes into master
removed added lines
changed formatting from four spaces to two
bingo board scoring challenge created.
editing gps challenge
Merge pull request #40 from Devbootcamp/attr-class-clarify

created example for creating a class inside a class.
Merge pull request #39 from Devbootcamp/week-6-bingo

bingo board scoring challenge created.
removed extra space
moved bonus challenges into own folder
renamed readme files
renamed README files
renamed readme
renaming readme files
renamed README
scope challenge v1