Count exception between mutation insertion and spec run as kill

Changelog.md

@@ -1,3 +1,7 @@
+# v0.2.13 2013-01-05
+
+* [fixed] Capture failures that occur in the window between mutation insertion and spec run as kills
+
 # v0.2.12 2013-01-03
 
 * [fixed] Do not crash when trying to load methods from precompiled ruby under rbx

lib/mutant/killer/forking.rb

@@ -41,8 +41,12 @@ module Mutant
       #
       def run
         fork do
-          killer = @killer.new(strategy, mutation)
-          Kernel.exit(killer.fail? ? 1 : 0)
+          begin
+            killer = @killer.new(strategy, mutation)
+            Kernel.exit(killer.fail? ? 1 : 0)
+          rescue
+            Kernel.exit(1)
+          end
         end
 
         status = Process.wait2.last