Merge branch 'hotfix/0.1.1' into develop
Merge branch 'hotfix/0.1.2' into develop
smaller fixes
Changed several datatypes to avoid compiler warnings

Using gcc 4.8.1 on Arch 3.10.6-2

Signed-off-by: Alexander Kluth <contact@alexanderkluth.com>
Set res to NULL when SQLException was thrown

With C++11 you one could use nullptr ;-)

Signed-off-by: Alexander Kluth <contact@alexanderkluth.com>
Merge of pr #1