Possible to pay with Humble wallet or Maestro ?

Hi, i'm actually a student in Game art at the "Haute Ecole Albert Jacquard" of Namur in belgium and i wanted to ask if it's possible to buy your software with Maestro or the Humble Bundle Wallet. I dont have Visa or the other payment option that you give.
Sorry as a student, i can't really have this kind of payment. I would really appreciate to buy it asap for my exams !
Thank you alot.