Fix when installing multiple packages and one is a dependency of the other
Fix when installing multiple packages and one is a dependency of the other

e.g. `bin/gpm install login login-oauth`

tomzx/blog.tomrochette.com,userfrosting/learn,getgrav/grav,tomzx/blog.tomrochette.com,Vivalldi/grav,joeyhenricks/a-broke-vegan,tomzx/blog.tomrochette.com,userfrosting/learn,sylvestrelucia/grav,sylvestrelucia/grav,ccardinaux/grav-test,JamesPan/gravbox,gigago/grav,JamesPan/gravbox,notklaatu/grav,sylvestrelucia/grav,webuxr/iamrs,JamesPan/gravbox,getgrav/grav,userfrosting/learn,tomzx/blog.tomrochette.com,sylvestrelucia/grav,stell/grav,Vivalldi/grav,dimayakovlev/grav,Sommerregen/grav,dimayakovlev/grav,shortsofia/testesitegrav.github.io,userfrosting/learn,joeyhenricks/a-broke-vegan,JamesPan/gravbox,notklaatu/grav