Added optional "+" prefix if it is omitted
Added optional "+" prefix if it is omitted

Jean-Daniel/PhoneNumberKit,Jean-Daniel/PhoneNumberKit,nextforce/PhoneNumberKit,nextforce/PhoneNumberKit,marmelroy/PhoneNumberKit,marmelroy/PhoneNumberKit,marmelroy/PhoneNumberKit,marmelroy/PhoneNumberKit,nextforce/PhoneNumberKit,Jean-Daniel/PhoneNumberKit