** run-program is implemented (thanks to Mike Thomas)
** sockets support (thanks to Timothy Ritchey)
** better backtrace support (thanks to Alastair Bridgewater)
+ ** sb-grovel supported
+ ** asdf-install and sb-posix work somewhat
+ ** capable of running Slime using SWANK:*COMMUNICATION-STYLE* NIL
* minor incompatible change: The reader no longer ignores errors
regarding non-existent packages in #+ and #- feature tests.
* new feature: command line options --no-sysinit, --no-userinit to