lib/main.js
function containerSlug(language_slug, project_slug, resource_slug) {
    if(!language_slug || !project_slug || !resource_slug) throw new Error('Invalid resource container slug parameters');
    return language_slug
        + '_' + project_slug
        + '_' + resource_slug;
}
function containerSlug(language_slug, project_slug, resource_slug) {
    if(!language_slug || !project_slug || !resource_slug) throw new Error('Invalid resource container slug parameters');
    return language_slug
        + '_' + project_slug
        + '_' + resource_slug;
}
Returns a properly formatted container slug.

@param language_slug {string}
@param project_slug {string}
@param resource_slug {string}
@returns {string}