Tcl user since 1995.
http::formatQuery patch for RFC 3986 compliance: http://core.tcl.tk/tcl/tktview?name=3498327
aes::aes patch for input beginning with 0x2D: http://core.tcl.tk/tcllib/tktview?name=3574004fff
exec patch for binary << input: bexec
Overloading set, because I can: shorthand dict set
If at first, you don't succeed, try ... retry