Added the setString method to the string entity object

src/app/Dictionary.h

@@ -34,7 +34,22 @@ namespace DictionaryHelper
           strcpy(_string, Object._string);
         }
         ~StringEntity(){free(_string);}
-        char *getString(){return _string;}
+        const char *getString(){return _string;}
+        void setString(const char *string = NULL)
+        {
+          free(_string);_string = NULL;
+          
+          if(string == NULL)
+          {
+            _string = (char *) malloc((sizeof(char)));
+            _string[0] = '\0';
+          }
+          else
+          {
+            _string = (char *) malloc((strlen(string) * sizeof(char)) + 1); //+1 for the string terminating character
+            strcpy(_string, string);
+          } 
+        }
         Dictionary<StringEntity> *split(char character);
       private:
       char *_string;