Added version information for all classes

Headers/Atbash.hpp

@@ -1,7 +1,7 @@
 //Ciphers/Headers/Atbash.hpp
 //Matthew Ellison
 // Created: 4-30-18
-//Modified: 5-5-18
+//Modified: 5-16-18
 //This file contains the declaration of the Atbash class
 //This class is used to encode and decode an Atbash cipher
 
@@ -15,6 +15,7 @@ class Atbash{
 private:
 	std::string inputString;	//Holds the string that needs encoded or decoded
 	std::string outputString;	//Holds the encoded/decoded string
+	static const std::string version;	//Holds the current version of the library
 	std::string decode();		//Decodes inputString and stores in outputString
 	std::string encode();		//Encodes inputString and stores in outputString
 	void setInputString(std::string input);	//Removes all invalid characters and sets inputString
@@ -26,6 +27,7 @@ public:
 	std::string encode(std::string input);
 	std::string decode(std::string input);
 	void reset();
+	static std::string getVersion();
 };
 
 #endif //ATBASH_HPP