ReFlow beta release

Basic python virtual environment (bash/csh)
rely on python 3.5+

global features:

• apply functions on files based on their suffix
• batch simulations
• can generate a report of simulations

digital simulations:

• icarus verilog supported
• can generate lib from excel files
• excel file parsed and stored in db
• verilog module parsed and stored in db
• use db for mako generation

analog simulations:

• ltspice supported
• post processing of raw files
• can use raw files for assertions