Fix compileall script, and the compile errors it discovered.

boot/helicopter.ks

@@ -1,7 +1,7 @@
 deletepath("/boot/helicopter").
 
 compile "0:/lib/stabilize_helicopter" to "1:/lib/".
-comiple "0:/init/helicopter" to "1:/init".
+compile "0:/init/helicopter" to "1:/init".
 
 // Set OS to boot and restart.
 set core:bootfilename to "/init".

compileall.ks

@@ -6,9 +6,11 @@ compileHere().
 function compileDir {
   parameter dir.
 
-  cd("dir").
+  print "Entering '" + dir + "'.".
+  cd(dir).
   compileHere().
   cd("..").
+  print "Leaving '" + dir + "'.".
 }
 
 function compileHere {
@@ -16,9 +18,10 @@ function compileHere {
   list files in fileList.
 
   for f in fileList {
-    if f:ISFILE {
+    if f:ISFILE and f:EXTENSION = "ks" {
+      print "Compiling '" + f:NAME + "'.".
       compile f.
-    } else {
+    } else if f:NAME[0] <> "." {
       compileDir(f).
     }
   }