Store errors in openssl_x509_export

Store errors in OpenSSL SPKI functions

Store errors for some OpenSSL RAND handling

Add error storing to the OpenSSL CONF part

Use and fix storing errors in openssl_x509_export_to_file

Also use persistent memory to prevent segfualt

Implement logic for OpenSSL error storing

Warn about passing tag for non AEAD modes

Add initial almost empty php_openssl_store_errors

Add global data for storing OpenSSL errors

Fix and test OpenSSL CCM decryption

Fix small CS label issue in openssl.c

Replaced whitespaces with tabs and fixed aligments

Fix and test OpenSSL CCM encryption

Comment out warning when cipher update fail

There has never been any warning for that

Fix arginfo for openssl_decrypt (tag is not ref)

Happy new year (Update copyright to 2016)

Test and fix encrypting empty IV for AEAD mode

Add AES CCM ciphers when linked with OpenSSL 1.0.1

These ciphers are not added by OpenSSL_add_all_algorithms in 1.0.1

Fix EVP_EncryptFinal and EVP_DecryptFinal

Remove leftovers of TSRMLS in code

Retrieve tag in AEAD cipher mode encryption

Simplify AAD condition

Implement AAD setting

Add php_openssl_cipher_update to group enc and dec logic

Set AEAD tag or tag_len if supplied