WIP: fstar --dep (equivalent of ocamldep)
WIP: fstar --dep (equivalent of ocamldep)

Fixup semantics and a bug.

hoheinzollern/FStar,FStarLang/FStar,hoheinzollern/FStar,A-Manning/FStar,A-Manning/FStar,YaccConstructor/FStar,hoheinzollern/FStar,MallabaevAzamat/FStar,MallabaevAzamat/FStar,YaccConstructor/FStar,MallabaevAzamat/FStar,YaccConstructor/FStar,MallabaevAzamat/FStar,FStarLang/FStar,FStarLang/FStar,hoheinzollern/FStar,YaccConstructor/FStar,A-Manning/FStar