Multiselect via ctrl+d case insensitivity makes it useless

- VSCode Version: Code 1.8.1 (ee428b0eead68bf0fb99ab5fdc4439be227b6281, 2016-12-19T14:41:20.664Z) - OS Version: Linux x64 4.4.38-1-MANJARO - Extensions: |Extension|Author|Version| |---|---|---| |Go|lukehoban|0.6.51| --- Steps to Reproduce: consider this block of code: ``` accountQryConn *grpc.ClientConn accountQryClient proto.AccountQueryClient ``` when I select 'account' and hit alt+d a few times it will select it like this.  this is fine, but when I do this, I am doing it to replace it with something else. So I'll start typing:  but now my case is broken for my second string. This is fine in a small example, but very annoying. Currently the case matches whatever is highlighted in the search widget. Behold what happens if I turn off case sensitivity:  This is incredibly annoying. I can't think of a time when you would want to multiselect case-insensitively with ctrl+d. It simply selects the wrong stuff, because in code it's always case sensitive. So depending on whatever I did last with ctrl+f, my ctrl+d either works or is annoying. I think ctrl+d should always be case sensitive, or have a button that's not search-tied that does a case sensitive string selection match across the file My two cents.