• All Ciphers: fix issue with CBC mode / OpenSSL / continuous buffers / decryption (#938)
• Random: fix issues with serialize() (#932)
• RC2: fix issue with decrypting
• RC4: fix issue with key not being truncated correctly
• SFTP: nlist() on a non-existant directory resulted in error
• SFTP: add is_writable, is_writeable, is_readable
• RSA: fix PHP4 compatability issue