multi-cpu reports

[Zolmeister]

You have a small typo in /lib/psutil.js, _cpu_times_linux function.
line 282. var values = lines[i] (instead of 0)
would have made it a pull request, but... you know how it goes.

great library btw,
using it in my project https://github.com/Zolmeister/ZMonitor