Changes in SPICE netlist generation and SPICE parameters handling.
If the component model is between double quotes, SIEPIC will not replace the space character for undersocres (_) when exporting the netlist.
Get and Set methods for SPICE parameters (to allow overwriting a components SPICE params). Specifically useful to change model parameters of a waveguide from the PDK (since these are set by SiEPIC.utils.layout.layoutwaveguide3)
Change for net labels of electrical pins to use Cell Name instead of Component Name (just makes the generated netlist cleaner when the components use long names)
Changes in SPICE netlist generation and SPICE parameters handling.