title: Sublime text3 and virtualenvs
body: <p>I have different <code>virtualenv</code>'s (made with <code>virtualenwrapper</code>) and I'd like to be able to specify which <code>virtualenv</code> to use with each project.</p>
  <p>Since I'm using the <code>SublimeREPL</code> plugin for custom builds, how can I specify which python installation to build my project with?</p>
  <p>For example, when I work on project A I want to run scripts with venvA's python, and when I work on project B I want to run things with venvB (using a different build script).</p>