Final v4.0.1 commit

Do not use run_kernel_memset() for password candidate initialization …

…in autotune

Mark release for production

Remove some debugging printf() call

Fixed overflow in bcrypt kernel in expand_key() function

Update readme.txt for SHA-224

Fix some leftover spaces when experimenting with restrict keyword

Fix version string in package script

Limit scrypt to 64 threads has no performance impact but makes it eas…

…ier to handle

Version 3.0 Beta