renamed package jet to nsjet

cache.go

cmd/main.go

constructors.go

default.go

dump.go

dump_test.go

eval.go

eval_test.go

examples/asset_packaging/main.go

examples/todos/main.go

exec.go

exec_test.go

func.go

jettest/test.go

lex.go

lex_test.go

loader.go

loaders/httpfs/httpfs_test.go

loaders/httpfs/loader.go

loaders/multi/multi.go