DES Encryption/Decryption
Fixed xor encryption plugin.
DES
Merge branch 'master' of https://@github.com/io-project/meerkat.git
Single file serialization plugin updated.
Gui plugin update - added dialog builder (without validators).
Refactoring Xor En and Dec. Fix MockWritablechannel.
Update coding to sha512 in XorAddition.
sync with master