Merge pull request #2 from dionyziz/send_json

Add more testing
Add more testing and finish grader
Update db_schema
Add error on errors array
Rename graderBotObject to graderBotClass
Move the function above it's calls
New line between calls
addshashes() to mysql_real_escape_string()
Remove redeclaration of initiateWithJsonAndGetErrors
Refactor tests for DRY
Db and ActiveRecordBase tests
Refactor tests; use userids for keys in users array in game
Visual Feedback about game creation