Update README.md

For those running OmniSharp as an unprivileged user.
Merge pull request #38 from zippy1981/patch-1

Update README.md
Update README.md
Fix message output method.
Merge pull request #41 from osyo-manga/fix_error_message

Fix message output method.
Use augroup
Show connect error
Fix for encode format of the respose.
print() is same as :echo on if_python
Connect timeout
Merge pull request #42 from thinca/augroup

Use augroup
Merge pull request #45 from mattn/timeout

Timeout to connect
Merge pull request #44 from DeaR/encode-response

Fix for encode format of the respose.
Use augroup
Fix for encode format of the respose.
Connect timeout
Add commands.
merged #43
merged #46
Check the MD5 of title as type GUID