Add Empty shortcuts for many more methods
Add Empty shortcuts for many more methods

Basically the remaining Any-iterable methods, specifically:

are, batch, deepmap, duckmap, maxpairs, minpairs, nodemap, pairup,
repeated, rotor, skip, squish, toggle, unique

Also put these in alphabetical order for maintainability

salortiz/rakudo,tbrowder/rakudo,rakudo/rakudo,labster/rakudo,MasterDuke17/rakudo,rakudo/rakudo,salortiz/rakudo,labster/rakudo,tbrowder/rakudo,rakudo/rakudo,labster/rakudo,MasterDuke17/rakudo,MasterDuke17/rakudo,MasterDuke17/rakudo,salortiz/rakudo,labster/rakudo,salortiz/rakudo,labster/rakudo,MasterDuke17/rakudo,tbrowder/rakudo,tbrowder/rakudo,rakudo/rakudo,MasterDuke17/rakudo,salortiz/rakudo,tbrowder/rakudo,salortiz/rakudo,rakudo/rakudo,labster/rakudo,rakudo/rakudo,tbrowder/rakudo