Merge pull request #159 from pointhi/photon_fix

search_string = 'api/?{query}&limit={limit}'

result_base_url = 'https://openstreetmap.org/{osm_type}/{osm_id}'

# list of supported languages

allowed_languages = ['de', 'en', 'fr', 'it']

# do search-request

def request(query, params):

                             limit=number_of_results)

    if params['language'] != 'all':

        params['url'] = params['url'] +\

            "&lang=" + params['language'].replace('_', '-')

        language = params['language'].split('_')[0]

        if language in allowed_languages:

            params['url'] = params['url'] + "&lang=" + language

    # using searx User-Agent

    params['headers']['User-Agent'] = searx_useragent()