Fixed bug that cause an invalid grid string

SourceFiles/Playfair.cpp

@@ -15,7 +15,7 @@
  * @brief The current library's version number
  * 
  */
-const std::string Playfair::version = "1.0";
+const std::string Playfair::version = "1.0.1";
 
 ///The letter that needs replaced for the cipher to work
 char Playfair::REPLACED = 'J';
@@ -431,7 +431,8 @@ std::string Playfair::getGrid() const{
 	std::string temp;
 	for(int row = 0;row < 5;++row){
 		for(int col = 0;col < 5;++col){
-			temp += grid[row][col] + "  ";
+			temp += grid[row][col];
+			temp += "  ";
 		}
 		temp += '\n';
 	}