Fix variable printing not working properly
Improve script preprocessing

Now comment processing does not use regex.
Building script chunk became faster.
Improve handling of literal expressions

Now developers can use the letter '#' directly in literal expressions.
Additionally, replacement using regex improved (I think). Please see the
diff.
Merge branch 'compiler-vbchunguk' of https://github.com/kev-0x00/NullScripter into compiler