Update README.md

fix force option

- fix force option that was not working properly
- update compilation instructions (add optimization that improves execution speed)

update to 3.6.2

close testFile properly

tweak display

further tweaking display
now the minimum width is 26

3.5

+ add the option to randomize the name of the output file (with or without its extension)

update PRNG algorithm

as mentioned in the implementation of xorshift1024* (https://xoroshiro.di.unimi.it/xorshift1024star.c)
it should use another multiplier

3.4

+ Add a secure way to delete the source file (with option -d), now it overwrites the source file with the encrypted one. Except when the source is a folder then the it is just removed by the system (not as secure).
~update all texts accordingly

add precision for mac users

bashrc is only for linux
bash_profile is for mac users

3.3

rearrange the code so the main is much more readable (in preparation for
splitting the file because it grow big since the beginning and it's
time)
+ add a system that prevent someone to read the password in ram
+ handle more cases in prompt and arguments in terminal