Add output files.
Add statistics for most approx search at Re_i1, Re_i2.

- Can be used to view a rough overview. After that, these
values are used to determine (in)stability and for bisection
search.
Tweaking.
Add small assisting scripts.

- So far, only for calculating the benchmark's Re values (from
given T values)
- Will hold the main program wrapper later.
Tweaking.