removed within acct group
added not to instructions regarding "NOT NULL"
italicized note
renamed readme
Rename readme.md to README.md
clarified which h1 to make invisible
fixed formatting
changed instructions for SQLite
added dbc_logo.jpg
pulled changes from remote
updated link to logo
reverted to earlier link
added release to make image viewable
fixed broken link to Intro to SQLite challenge
changed link to web archive version
updated SQL joins link
updated readme with info on student objects
removed wierd section regarding other
pulling remote changes
added hashtag for cheatsheet.