Fixed a header injection vulnerability in common function
set_status_header() under Apache (thanks to Guillermo Caminer from
Flowgate).
Fixed byte-safety issues in Encrypt Library (DEPRECATED) when
mbstring.func_overload is enabled.
Fixed byte-safety issues in Encryption Library when
mbstring.func_overload is enabled.
Fixed byte-safety issues in compatibility functions
password_hash(), hash_pbkdf2() when mbstring.func_overload is
enabled.
Updated Encrypt Library (DEPRECATED) to call mcrypt_create_iv()
with MCRYPT_DEV_URANDOM.