checking in new hints for FStar.SeqProperties
checking in new hints for FStar.SeqProperties

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