Fix some inefficiencies in some array and dictionary opcodes
Fix some inefficiencies in some array and dictionary opcodes

ghewgill/neon-lang,gitlarryf/neon-lang,gitlarryf/neon-lang,gitlarryf/neon-lang,gitlarryf/neon-lang,gitlarryf/neon-lang,ghewgill/neon-lang,ghewgill/neon-lang,gitlarryf/neon-lang,ghewgill/neon-lang,ghewgill/neon-lang,ghewgill/neon-lang,ghewgill/neon-lang,gitlarryf/neon-lang,gitlarryf/neon-lang,ghewgill/neon-lang,gitlarryf/neon-lang,ghewgill/neon-lang,gitlarryf/neon-lang,ghewgill/neon-lang