Fixed while/for loops not returning from function

Upsilon/Evaluator/Evaluator.cs

@@ -705,7 +705,14 @@ namespace Upsilon.Evaluator
                         innerEvaluator.Scope.CreateLocal(e.Variables[1], table[1]);
                     innerEvaluator.EvaluateBoundBlockStatement((BoundBlockStatement) e.Block);
                     if (innerEvaluator.HasBroken || innerEvaluator.HasReturned)
+                    {
+                        if (innerEvaluator.HasReturned)
+                        {
+                            HasReturned  = innerEvaluator.HasReturned;
+                            _returnValue = innerEvaluator._returnValue;
+                        }
                         break;
+                    }
                 }
             }
         }
@@ -719,7 +726,14 @@ namespace Upsilon.Evaluator
             {
                 innerEvaluator.EvaluateBoundBlockStatement(block);
                 if (innerEvaluator.HasBroken || innerEvaluator.HasReturned)
+                {
+                    if (innerEvaluator.HasReturned)
+                    {
+                        HasReturned = innerEvaluator.HasReturned;
+                        _returnValue = innerEvaluator._returnValue;
+                    }
                     break;
+                }
             }
         }
     }

Upsilon/Parser/Parser.cs

@@ -2,7 +2,6 @@ using System;
 using System.Collections.Generic;
 using System.Collections.Immutable;
 using System.Linq;
-using Upsilon.Text;
 
 namespace Upsilon.Parser
 {