Added version information for all classes

Headers/Autokey.hpp

@@ -1,7 +1,7 @@
 //Ciphers/Headers/Autokey.hpp
 //Matthew Ellison
 // Created: 5-2-18
-//Modified: 5-5-18
+//Modified: 5-16-18
 //This file contains the declaration of the Autokey class
 //This class will encode a message using the Autokey cipher
 
@@ -22,6 +22,7 @@ public:
 	~Autokey();
 	virtual std::string encode(std::string key, std::string input);	//Encodes inputString using the Autokey cipher
 	virtual std::string decode(std::string key, std::string input);	//Decodes inputString using the Autokey cipher
+	static std::string getVersion();
 };