hush: cleanup pass, the biggest is - moved builtins to the end of the file,

they really annoy in the middle of parser code. no real code changes.

shell/hush_leaktool.sh

@@ -8,6 +8,6 @@ freelist=`grep 'free 0x' "$output" | cut -d' ' -f2 | sort | uniq | xargs`
 grep -v free "$output" >temp1
 for freed in $freelist; do
     echo Dropping $freed
-    cat temp1 | grep -v $freed >temp2
+    grep -v $freed <temp1 >temp2
     mv temp2 temp1
 done