The Oxidation of N,N'-Disubstituted O-Phenylenediamine in Presence of Metal Ions and the Crystal Structure of N,N'-Dimethylbenzimidazolium Perchlorate, Pyridinebis(O-Benzo-Semi-Quinonediimine)Cobalt(III) Chloride and Bis(Phridine)-(N,N'-Bis