Ngspice-41, Aug 15th, 2023
============
- New features:
    + Add support for PSpice DLYLINE
    + eprvcd [-a] [-t timescale] node node ..., new options
    + Completely renew XSPICE d_osc code model
    + Read Touchstone file for S parameter simulation
    + Analog node changes in VCD file output
    + Add variable "csnumprec" to allow setting the precision of vectors
      and variables
    + option nginfo to enable a status report during simulation (MS Windows GUI)
    + Returned status of the "shell" command available as interpreter
      variable "shellstatus"
    + New default colors for Linux, macOS plot windows.
    + Update to commands setscale and compose
    + New function cvector for creating complex vectors
    + Add an option FREQ to the E- and G-sources
    + Improve error messages: More verbose, better user information
    + iplot: new option -w to set width for the window, and -d to set
      starting of the plot
    + New dot command .libsave to save a parsed PDK for speeding up
      later usage.
    + Speed up parsing of large PDKs (e.g. Skywater)
    + Update VBIC device model
    + Prepare noise capability of XSPICE code models
    + Command 'listing': new extension 'listing r' writes parsed netlist
      without further formatting, ready to be be loaded and run again.

- Bug fixes:
    + Several crash bugs (double delete, access NULL pointer etc) removed
      which have occurred mostly due to incomplete or faulty inputs.
    + Memory leaks for CIDER removed


