Fixed bug when category's name with Russian ё (yo) letter was recognized as invalid.

Correction for 54c9ab9a899c1afbc5f7021f2c8db55a34b6a27d commit.
Fixed bug when country's name with Russian ё (yo) letter was recognized as invalid.

Correction for 7434210c5fd10af188a0b01b98c172c219283c57 commit.