Fixed bug where multiple operations before reset called threw error

SourceFiles/Playfair.cpp

@@ -100,10 +100,10 @@ void Playfair::createGrid(){
 	//Put a check here that row == 5. If it doesn't then there is a problem
 	//TODO: Make this a propper exception throw rather than this
 	if(row < 5){
-		throw invalidGrid("smaller", row);
+		throw invalidGrid("small", row);
 	}
 	else if(row > 5){
-		throw invalidGrid("larger", row);
+		throw invalidGrid("large", row);
 	}
 }
 
@@ -252,6 +252,8 @@ std::string Playfair::encode(){
  * @return The encoded message
  */
 std::string Playfair::encode(std::string keyword, std::string input){
+	//Reset the variables every time, just in case
+	reset();
 	try{
 		setKeyword(keyword);
 	}
@@ -346,6 +348,8 @@ std::string Playfair::decode(){
  * @return The decoded message
  */
 std::string Playfair::decode(std::string keyword, std::string input){
+	//Reset the variables every time, just in case
+	reset();
 	try{
 		setKeyword(keyword);
 	}