Takes any vector of languages and returns longitude.
Examples
lat.lang('Kabardian')
#> Kabardian
#> 43.5082
long.lang('Kabardian')
#> Kabardian
#> 43.3918
lat.lang(c('Kabardian', 'Russian'))
#> Kabardian Russian
#> 43.5082 59.0000
long.lang(c('Kabardian', 'Russian'))
#> Kabardian Russian
#> 43.3918 50.0000
long.lang(c('Kabardian', 'Aleut'), map.orientation = "Pacific")
#> Kabardian Aleut
#> 43.3918 185.7100