Fix to address #361 - ability to have multiple collections in a regular list.
Fix to address #361 - ability to have multiple collections in a regular list.

tomzx/blog.tomrochette.com,userfrosting/learn,Pumpapa/jacinthawalters.nl,sylvestrelucia/grav,sylvestrelucia/grav,tomzx/blog.tomrochette.com,joeyhenricks/a-broke-vegan,Vivalldi/grav,notklaatu/grav,gigago/grav,Sommerregen/grav,Pumpapa/lucaswalters.nl,lennerd/grav,tomzx/blog.tomrochette.com,TheHiddenHaku/alessiobottiroli-website-grav,Pumpapa/chriswalters.nl,tomzx/blog.tomrochette.com,getgrav/grav,JamesPan/gravbox,JamesPan/gravbox,Pumpapa/lucaswalters.nl,sylvestrelucia/grav,userfrosting/learn,dimayakovlev/grav,Vivalldi/grav,toovy/grav,userfrosting/learn,webuxr/iamrs,undesign/undesign.github.io,Pumpapa/lucaswalters.nl,userfrosting/learn,sylvestrelucia/grav,getgrav/grav,notklaatu/grav,joeyhenricks/a-broke-vegan,Silwereth/grav,iMoonThailand/grav,tcsizmadia/grav,stell/grav,toovy/grav,shortsofia/testesitegrav.github.io,JamesPan/gravbox,JamesPan/gravbox,undesign/undesign.github.io,dimayakovlev/grav,ccardinaux/grav-test