Create init alu
Make a require file for the ALU
Create 1 bit full adder
Create 1 bit full adder test
Create 32 bit adder
Create a test for 32 bit adder
Create sub
Create sub test
Remove Bor_in from subtractor and suport the signed nums
function the subtractor with (a-b)
Creat 8to1 mux
Create mux test
Modify the mux to have 1 3bit slector
modify test to fit with last mux modification
Create 16to1 mux and its test
Create a one bit alu
Create one bit alu
Create alu
Delete .swp files
Add swp file to gitignore