Improve importing

tests/comparisons.qbl

@@ -11,17 +11,7 @@
 //true
 //:END:
 
-function bool => str boolToStr
-{
-	if
-	{
-		"true"
-	}
-	else
-	{
-		"false"
-	}
-}
+import "../std.qbl"
 
 1 0 > boolToStr println
 1 0 < boolToStr println
@@ -33,4 +23,4 @@ function bool => str boolToStr
 1 1 < boolToStr println
 1 1 >= boolToStr println
 1 1 <= boolToStr println
-1 1 == boolToStr println
+1 1 == boolToStr println

tests/transitive_import.qbl

@@ -0,0 +1,5 @@
+//valid,false
+//:END:
+import "basic_import.qbl"
+
+false boolToStr println

tests/while.qbl

@@ -1,6 +1,8 @@
 //valid,10987654321falsefalse
 //:END:
 
+import "../std.qbl"
+
 true while
 {
 	false
@@ -16,20 +18,8 @@ while
 }
 deq
 
-function bool => str boolToStr
-{
-	if
-	{
-		"true"
-	}
-	else
-	{
-		"false"
-	}
-}
-
 true true true while
 {
 	false
 }
-boolToStr boolToStr print println
+boolToStr boolToStr print println