modified. movie class コメント修正
new. p.129 Extract Method
modified. refactoring
added. Gemfile awesome_print
fixed. gem読み込み順序の修正

simplecovが有効になってなかった
modified. p.130
added. p.131 print_details
fixed. テスト修正漏れ
added. calculate_outstanding
modofied. p.133
renamed.  ExtractMethodSample
new. p.138 raplace temp with query
modified. p.140 refactoring