Feature Request: set the cwd for created processes

[rgrinberg]

What it says on the tin. Essentially inserting a chdir before the exec.

[sheredom]

Should be doable - but I don't have the bandwidth at present to do this.

[xianglin1998]

For windows:

For Linux:

When I have time, I will submit the changes in the image above. Using the changes above is better than chdir because it will not damage the working directory of the parent process.

[sheredom]

I look forward to the PR!