Merge pull request #82 from ylevitsk/master

added grader
qdb base file I/O
Merge pull request #83 from nnordhof/master

qdb base file I/O
Merge pull request #1 from HexSoftware/master

Merge pull request #83 from nnordhof/master
small file I/O fixes
Merge branch 'master' of https://github.com/nnordhof/TestGen
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
fixed reading topics from file
Merge pull request #85 from RAlmada/master

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

Updating My Fork
Merge branch 'master' of https://github.com/nnordhof/TestGen
Merge pull request #86 from nnordhof/master

fixed reading topics from file