position inheritance to KNormal.t
delete div/mul
attach Closure.t to range
edit .gitignore
edit virtual.ml
moved pp_t
print range in .s
bug fix
samples
deleted some files
delete min-rt
Revert "delete min-rt"

This reverts commit f47eb0fb98168707d340c3c979e3a773434e9b4d.
print KNormal.t like ocaml code
fix indent in IF
code2_1
type print in kNormal.pp_t
sanitize
Common subexpression elimination
CSE
fix array bug