Include try-load in CompUnit::PrecompilationRepository's interface
Include try-load in CompUnit::PrecompilationRepository's interface

Users expect every precompilation repository to support try-load, so don't
break in case we get a non-Default precomp repository.

tony-o/rakudo,rakudo/rakudo,tony-o/rakudo,softmoth/rakudo,samcv/rakudo,nbrown/rakudo,salortiz/rakudo,nbrown/rakudo,lucasbuchala/rakudo,MasterDuke17/rakudo,labster/rakudo,Gnouc/rakudo,jonathanstowe/rakudo,softmoth/rakudo,sjn/rakudo,Gnouc/rakudo,labster/rakudo,softmoth/rakudo,rakudo/rakudo,rakudo/rakudo,sjn/rakudo,jonathanstowe/rakudo,awwaiid/rakudo,usev6/rakudo,MasterDuke17/rakudo,MasterDuke17/rakudo,lucasbuchala/rakudo,Gnouc/rakudo,nbrown/rakudo,samcv/rakudo,tbrowder/rakudo,raydiak/rakudo,labster/rakudo,MasterDuke17/rakudo,salortiz/rakudo,Gnouc/rakudo,sjn/rakudo,tony-o/rakudo,labster/rakudo,samcv/rakudo,lucasbuchala/rakudo,tbrowder/rakudo,nbrown/rakudo,MasterDuke17/rakudo,salortiz/rakudo,nbrown/rakudo,tbrowder/rakudo,tbrowder/rakudo,samcv/rakudo,tbrowder/rakudo,usev6/rakudo,jonathanstowe/rakudo,Gnouc/rakudo,tony-o/rakudo,lucasbuchala/rakudo,salortiz/rakudo,sjn/rakudo,labster/rakudo,nbrown/rakudo,jonathanstowe/rakudo,tony-o/rakudo,softmoth/rakudo,sjn/rakudo,usev6/rakudo,rakudo/rakudo,raydiak/rakudo,rakudo/rakudo,awwaiid/rakudo,MasterDuke17/rakudo,tbrowder/rakudo,awwaiid/rakudo,awwaiid/rakudo,labster/rakudo,samcv/rakudo,raydiak/rakudo,raydiak/rakudo,jonathanstowe/rakudo,Gnouc/rakudo,tony-o/rakudo,rakudo/rakudo,lucasbuchala/rakudo,salortiz/rakudo,usev6/rakudo,awwaiid/rakudo,usev6/rakudo,softmoth/rakudo,salortiz/rakudo