Add validator in alphabet and alignmentalphabet for unique characters
Add validator in alphabet and alignmentalphabet for unique characters

dimkarakostas/rupture,dionyziz/rupture,dionyziz/rupture,dionyziz/rupture,dionyziz/rupture,dimriou/rupture,esarafianou/rupture,dimkarakostas/rupture,dimriou/rupture,esarafianou/rupture,dimriou/rupture,esarafianou/rupture,dimkarakostas/rupture,dimkarakostas/rupture,dimriou/rupture,esarafianou/rupture,dimkarakostas/rupture,dionyziz/rupture,dimriou/rupture