Fixes waits on ProcessOutput completing before asynchronous output reads have completed. Adds PYTHONUNBUFFERED variable for custom commands executing in the output window. Prevents virtualenv tests from continuing too quickly and then timing out on the following wait.
Fixes waits on ProcessOutput completing before asynchronous output reads have completed.
Adds PYTHONUNBUFFERED variable for custom commands executing in the output window.
Prevents virtualenv tests from continuing too quickly and then timing out on the following wait.

Microsoft/VisualStudio-SharedProject,enricosada/VisualStudio-SharedProject,mousetraps/xtvs-common,mousetraps/xtvs-common