updated cave explorer to make use of :unpack
updated cave explorer to make use of :unpack

whoozle/Octo,whoozle/Octo,JohnEarnest/Octo,JohnEarnest/Octo,whoozle/Octo,JohnEarnest/Octo,whoozle/Octo,blastron/Octo,james0x0A/Octo,blastron/Octo,whoozle/Octo,JohnEarnest/Octo,JohnEarnest/Octo,james0x0A/Octo