basis: Re-enable some things I commented out. Fixes #22. Thanks @ajvondrak!

basis/cpu/x86/64/64.factor

@@ -145,11 +145,11 @@ M: x86.64 (cpuid) ( rax rcx regs -- )
 
 ! The result of reading 4 bytes from memory is a fixnum on
 ! x86-64.
-! enable-alien-4-intrinsics
+enable-alien-4-intrinsics
 
 {
     { [ os unix? ] [ "cpu.x86.64.unix" require ] }
     { [ os windows? ] [ "cpu.x86.64.windows" require ] }
 } cond
 
-! check-cpu-features
+check-cpu-features

basis/environment/environment.factor

@@ -31,9 +31,9 @@ HOOK: set-os-envs-pointer os ( malloc -- )
 } cond
 
 [
-    ! "FACTOR_ROOTS" os-env
-    ! [
-        ! os windows? ";" ":" ? split
-        ! [ add-vocab-root ] each
-    ! ] when*    
+    "FACTOR_ROOTS" os-env
+    [
+        os windows? ";" ":" ? split
+        [ add-vocab-root ] each
+    ] when*
 ] "environment" add-startup-hook