REPL6: Update completions before reading a line
REPL6: Update completions before reading a line

The context of an evaluation is saved before reading the
next line but after the call to eval(); we can't really guarantee
when it's going be.  Definitely LTA, but gets the job done.

ab5tract/rakudo,nbrown/rakudo,zostay/rakudo,azawawi/rakudo,softmoth/rakudo,b2gills/rakudo,sjn/rakudo,MasterDuke17/rakudo,nbrown/rakudo,ab5tract/rakudo,tbrowder/rakudo,azawawi/rakudo,jonathanstowe/rakudo,rakudo/rakudo,b2gills/rakudo,awwaiid/rakudo,raydiak/rakudo,jonathanstowe/rakudo,sjn/rakudo,sjn/rakudo,tony-o/rakudo,salortiz/rakudo,azawawi/rakudo,labster/rakudo,tbrowder/rakudo,jonathanstowe/rakudo,usev6/rakudo,softmoth/rakudo,tony-o/rakudo,salortiz/rakudo,nbrown/rakudo,samcv/rakudo,salortiz/rakudo,tony-o/rakudo,rakudo/rakudo,tbrowder/rakudo,Gnouc/rakudo,azawawi/rakudo,labster/rakudo,zostay/rakudo,salortiz/rakudo,labster/rakudo,labster/rakudo,usev6/rakudo,rakudo/rakudo,raydiak/rakudo,rakudo/rakudo,tony-o/rakudo,lucasbuchala/rakudo,zostay/rakudo,raydiak/rakudo,Gnouc/rakudo,b2gills/rakudo,lucasbuchala/rakudo,ab5tract/rakudo,usev6/rakudo,samcv/rakudo,awwaiid/rakudo,lucasbuchala/rakudo,lucasbuchala/rakudo,salortiz/rakudo,awwaiid/rakudo,tbrowder/rakudo,b2gills/rakudo,rakudo/rakudo,MasterDuke17/rakudo,zostay/rakudo,azawawi/rakudo,awwaiid/rakudo,tony-o/rakudo,Gnouc/rakudo,jonathanstowe/rakudo,nbrown/rakudo,b2gills/rakudo,MasterDuke17/rakudo,lucasbuchala/rakudo,raydiak/rakudo,rakudo/rakudo,Gnouc/rakudo,nbrown/rakudo,ab5tract/rakudo,Gnouc/rakudo,MasterDuke17/rakudo,usev6/rakudo,awwaiid/rakudo,labster/rakudo,sjn/rakudo,MasterDuke17/rakudo,labster/rakudo,Gnouc/rakudo,softmoth/rakudo,ab5tract/rakudo,tbrowder/rakudo,softmoth/rakudo,tony-o/rakudo,sjn/rakudo,jonathanstowe/rakudo,samcv/rakudo,samcv/rakudo,tbrowder/rakudo,usev6/rakudo,softmoth/rakudo,nbrown/rakudo,MasterDuke17/rakudo,salortiz/rakudo,samcv/rakudo