ISO 3166 Alpha 2 code: 2 chars, uppercase (US, RU, FR, ...)
Get localized language name, from ISO code
ISO 639 2B or 2T code: 3 chars, lowercase (eng, rus, fra, ...)
Sets maximum debug level. Message of the level more than the one set here - will be ignored
new debug level
Get localized country name, from ISO code