Prevent empty string
Prevent empty string

The explode returned an array with an empty string, if there was nothing filled
in.

justcarakas/forkcms,justcarakas/forkcms,sumocoders/forkcms,forkcms/forkcms,jonasdekeukelaere/forkcms,jessedobbelaere/forkcms,bartdc/forkcms,forkcms/forkcms,sumocoders/forkcms,sumocoders/forkcms,jessedobbelaere/forkcms,sumocoders/forkcms,bartdc/forkcms,forkcms/forkcms,jacob-v-dam/forkcms,bartdc/forkcms,forkcms/forkcms,jessedobbelaere/forkcms,sumocoders/forkcms,jonasdekeukelaere/forkcms,jonasdekeukelaere/forkcms,jessedobbelaere/forkcms,jacob-v-dam/forkcms,justcarakas/forkcms,jonasdekeukelaere/forkcms,jacob-v-dam/forkcms,jonasdekeukelaere/forkcms,jacob-v-dam/forkcms