v0.1.12

Bump version to v0.1.12

v0.1.11

Fix error with styleCheck

Before this commit, running `nim c --styleCheck:error` on a file
that imports the `uuids` package would produce an error on Windows.

`WINBOOL` is defined here:
https://github.com/nim-lang/Nim/blob/52cf7280019c/lib/windows/winlean.nim#L33

Fixes: #5