Xi ErDe

Results 2 issues of Xi ErDe

https://github.com/theniceboy/nvim/blob/cce8278103cadc5e1251cc7df6fd4ca555324be8/init.vim#L1108 new function is: ```call OmniSharp#actions#codeactions#Count(opts)```

since my job, I wrote some tests based on this greate project. Refered [Midacts gist](https://gist.github.com/Midacts/c243b64027fc96c66d509ee6744d84a7) to support hashtable sorry for my pool English, and I'm github newbie