Update AES and DES meta data

Change default IV value for AES and DES to null bytes

Rename PGP operations for consistency

Add alphabet control to IC operation

Update dependencies

Add operations for AES and DES encryption

Fix Shannon Entropy initial value

Add Shannon Entropy

Add Index of coincidence

Fix an issue preventing the user from copy and pasting nodes with values

Add implicit text-number casting

Add operations Substring and Binary slice

Add ROT8000 variant to the ROT13 operation

Fix ROT13 extension url

Make Caesar cipher and ROT13 use the simple substitution implementation