fixed difficult issue
Merge pull request #84 from nnordhof/master

fixed topic reading/writing
Update AddQuestion.java
Update CodeQuestion.java
Update EssayQuestion.java
Update GraphicsQuestion.java
Update MCQuestion.java
Update SAQuestion.java
Update TFQuestion.java
Merge pull request #85 from RAlmada/master

Fixing diff problem
Merge pull request #2 from HexSoftware/master

Updating My Fork