Replaces wp_hash_password and wp_check_password with PHP 5.5's password_hash and password_verify.
Makes WordPress use PHP's native password_hash() functions for portable, stronger, and time-attack safe bcrypt and Argon2 hashes.
Requires at least: 3.2.1 Tested up to: 4.2 Stable tag: 1.0.7 Replaces the pluggable wordpress function wp_hash_password()
