Add macros MAX() and MIN().
Add list sample.
Add data structure for unordered list.
Use the same coding style as other `i++`.
Use is_utf8() instead, for more readable.
Parse and display list.
Update for new feature.
Bugfix: set the right bits for unordered list.
Bugfix: for bug mistake HR as unordered list.
Update sample for unordered list.
Merge pull request #38 from FreeBirdLjj/issue#16

Issue#16