Renew action item list
Merge pull request #185 from promise82114/master

Renew action item list
modify the README.md
Merge pull request #186 from Sue-Yi-FAN/master

modify the README.md
add new usage for README.md
Merge pull request #188 from Sue-Yi-FAN/master

add new usage for README.md
Issue 67 - Action item 10 - Show chart.
Merge pull request #189 from john29917958/john-patch

Issue 67 - Action item 10 - Show chart.