Merge branch 'master' into development
NUMBER-STRING: Use native String instead of FORMAT.
Doubled pools.
Print lower case digits.
RFC4122 UUID version 4 added.
STRING-DOWNCASE, STRING-UPCASE: Renamed to DOWNCASE and UPCASE.
Minor cleanup.
Moved editor to the attic.
The interpreter has to go first.
distclean removes directories 'obj' and 'compiled' again.
Common Lisp target under construction.
Merge branch 'development'. 'master' is unstable anyway.