add 06.2
add chapter 3.3
update chapter 3.3
update chapter 3.3
Merge pull request #100 from wuchong/master

add chapter 3.3 求数组中给定下标区间内的第K小（大）元素
Update preface.md
Update 13~14.0.md
Create chapter25.go

二分查找Go实现
Update 38.0.md
Merge pull request #102 from lidashuang/patch-9

Create chapter25.go
Merge pull request #103 from lidashuang/patch-10

Update 38.0.md
Merge pull request #101 from lidashuang/patch-8

Update 13~14.0.md
Update Readme.md
split some chapters into their own individual chapters
update preface
unify all chapter title format
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