B6

v-1.0
---
1. "updated_at" => Enter value when the instance created
B7

v-1.0
---
1. "before_save" => New: "add_updated_at_millsec"
Merge branch 'B6_ATOMS_01_updated_at'

Conflicts:
	app/models/text.rb
	app/models/word.rb
	app/models/word_list.rb
	doc/mylog.txt
	win_command_history.txt