Restructured KQ importing design

Change-Id: I74f0247462a8f64f937437b11a7800631f770657
diff --git a/lib/Krawfish/Koral/Query/Constraint.pm b/lib/Krawfish/Koral/Query/Constraint.pm
index ce3c04c..9c272a0 100644
--- a/lib/Krawfish/Koral/Query/Constraint.pm
+++ b/lib/Krawfish/Koral/Query/Constraint.pm
@@ -347,6 +347,10 @@
   ...
 };
 
+sub from_koral {
+  ...
+};
+
 
 # Stringification
 sub to_string {