fix type errors in master
Removed callable primary operator and change callable() to pylib
Fixed allocation error in is-func? primary operator
Fixed typos in comments and error messages.
removed LexGlobalLet, replaced with LexGlobals
delete now handles multiple arguments and can delete identifiers
fix up class changes in cps
Merge branch 'master', remote-tracking branch 'origin' into modules-rewrite
fix code type checking in CConstructModule
fix not allocating new location in the store when the interpreter import new module
revise test file; add 6 tests case as regression test