Merge pull request #186 from Sue-Yi-FAN/master

modify the 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.
Issue 67 - Action item 10 - Show chart.
Merge pull request #190 from john29917958/john-patch

Issue 67 - Action item 10 - Show chart.
Issue 146 - Action item 34 - Implement the functionality of Search button.
Merge pull request #192 from john29917958/john-patch

Issue 146 - Action item 34 - Implement the functionality of "Search" button.
Issue 193 - Bug - Chart keep showing same data.
Merge pull request #194 from john29917958/john-patch

Issue 193 - Bug - Chart keep showing same data.
modify the parse data format