Adjust tests to current problems
Add functions for arithmetic in FF_p^2
Clean up code using macros
Remove explicit inlining
Add test to figure out how to compute x^(n+1) via x^t
Remove old debugging code
Rewrite tests using macros
Fix mult_x_mod function
Compute x^(n+1) via x^t, keeping x^t for later use
More macros
Add generator of the Galois group as 'sigma'
Move macros to header file