9 OTHER COMMANDS NOT IN TCL BUT THAT SHOULD BE IN JIM
11 - Set commands: [lunion], [lintersect], and [ldifference]
15 - Cryptography: hash functions, block ciphers, strim ciphers, PRNGs.
16 - Tuplespace extension (http://wiki.tcl.tk/3947) (using sqlite as backend)
18 - CGI (interface compatible with ncgi, but possibly written in C for speed)
22 - Unify ref/getref/setref/collect/finalize under an unique [ref] command.