New defintion file (UTM 33N)

I've added definition file for UTM 33N (also known as EPSG:2078), with format found at http://spatialreference.org/ref/epsg/2078/ (necessary to transform to the UTM 33 N format).

I also solved a minor typo (bug?), see diff of file `src/proj4php/proj4phpProj.php`.