Merge pull request #319 from ddobrev/master

Fixed a bug when converting name-spaces
Merge pull request #322 from ddobrev/master

 Fixed all bugs with default arguments uncovered by wrapping Qt
Moved the code for creating a ref object by value from the marshalling printer to a valid ctor by value.

Signed-off-by: Dimitar Dobrev <dpldobrev@yahoo.com>