Applied several patches from this website:
http://newton.ex.ac.uk/teaching/CDHW/Electronics2/userguide/secD.html
specifically fixes for:
- Where command causes crashes
- Recognition of scale factors in arbitrary source
- Current Controlled Switch in subckt, parsing error
- Noise analysis bug
- Save segmentation faults
- BSIM1 model xpart parameter random
- Tran analysis default TSTEP
PR: ports/143727
Submitted by: "Pedro F. Giffuni" <giffunip@tutopia.com>