Fix indexing for languages with length of 3 or more
Check if target folder doesn't exist, create it
Mkdir on target if not exist recursively
Merge Melan's changes
Merged changed of melan's work
Updating .gitignore
Merge branch 'master' of https://github.com/i18next/i18next-gettext-converter
Tidying up unit tests and test data
Tidying up unit tests