Major changes:
Remove mpmath library and use numpy instead.
Convert bytes to new bytearrays.
Fix class name check for duplicate gds instances.
Add explicit integer conversion from floats.
Fix importlib reload from importlib library
Fix new key/index syntax issues.
Fix filter and map conversion to lists.
Fix deprecation warnings.
Fix Circuits vs Netlist in Magic LVS results.
Fix file closing warnings.
Comment and reorganize globals.py
Tests consistently use globals module for OPTions.
Add characterizer as module support.
Modify unit tests to reload new characterizer for ngspice/hspice.
Enable relative and absolute config file arguments so you can run
openram from anywhere on any config file.
Michael Timothy Grimes
Matt Guthaus