Jim Monte - 2019-12-06

This code is available in branch beta_jdm

commit e6c14b3eb00094c9a99019c150b8a52bf51a22d1
Date: Fri Dec 6 16:04:45 2019 -0500

Made ft_numparse() thread-safe (no internal static variables) and prepared to support ngspice variable type CP_NUM.

In Linux the paranoia test suite passed, except for the same three tests that failed earlier, and in Windows with Cygwin, make check indicated all passes.