Merge remote-tracking branch 'origin/Branch-chyb'
实现窗体切换保存当前窗体内容

调整了很多东西，测试了好几次，几乎没有bug，可以像百度那样搜索内容如果为空回到搜索的主页，目前正在做和数据库对接
Merge pull request #7 from DustInMonteriggioni/Branch-chyb

Push to master after merging GUI and Infile outfile function
Merge pull request #8 from DustInMonteriggioni/Branch-chyb

SketchProject finished, In&OutFile modified
Merge pull request #9 from DustInMonteriggioni/Branch-chyb

Infile & Outfile debugged --- SrcLineNumCounter.exe
Merge pull request #10 from DustInMonteriggioni/Branch-chyb

Branch chyb
Victor 保存窗体内容功能 merge 进 master
try to resolve conflict... T.T
Merge pull request #11 from DustInMonteriggioni/master

Why is merge between Victor and master so hard and the merge between Branch-chyb and master so easy...?!