Merge pull request #20 from zfaustk/master

Master to grammar
Merge pull request #1 from zfaustk/Algorithm

New Algorithm
Merge pull request #26 from zfaustk/master

Remove Vertex
Merge pull request #29 from zfaustk/master

Vertex construct and remove
Create BFS.cs
Helper修正

三元运算符与&&优先级问题  修正selectEdges函数
Merge pull request #31 from nialumbia/master

Algorithm
Update BFS.cs
Helper fix .2

修正了一些可能引发潜在错误的表达 ， 增加了对于点、边、类型序列的删除操作
Merge pull request #33 from nialumbia/master

Algorithm
Merge pull request #34 from zfaustk/Algorithm

Algorithm
Merge pull request #35 from zfaustk/FileManager

File manager
Merge pull request #38 from zfaustk/FileManager

File manager
Merge pull request #37 from zfaustk/Grammar

Grammar
Merge pull request #39 from zfaustk/master

New version