Replace "+" by "$" when storing packages to avoid confusing Optlink. See #411.
Replace "+" by "$" when storing packages to avoid confusing Optlink. See #411.

schuetzm/dub,jeanbaptistelab/dub,gedaiu/dub,Abscissa/dub-data-mod,Abscissa/dub,D-Programming-Language/dub,Flamaros/dub,grogancolin/dub,p0nce/dub,y12uc231/dub,jelmansouri/dub,Geod24/dub,nazriel/dub,dreamsxin/dub,alexeibs/dub,xentec/dub,rjframe/dub