add 06.2
update 06.0
Merge pull request #104 from Boshen/master

split some chapters into their own individual chapters
Merge pull request #105 from liuyang1/master

so sorry for 06.0, and I update it with new algo.
add 25.0
fix 25.0 error
add 25.0 scheme version
update 25.0 error detail
add 16.0 python
add 17.0 scheme
add 17.0 python
Merge pull request #107 from liuyang1/master

update chapter 16 17 code, update chapter 25 code and fix one error
improve c code readability and fix some warnings
rename and format python files, fix some mistakes