Guid type not included into mscorlib.ts?

[malcoriel]

Hello. I'm using Netjs from commit 0f90e92

When compiling a C# DTO containing Guid type field, output typescript field type is also Guid. But it does not compile with included version of mscorlib.ts - there is no such definition there.

I don't actually need really unique guid generation and stuff (although this would be nice, and was solved numerous times in js). But Guid type itself could be included in default distribution, just to avoid compilation failures and need to find and use external one.