Pry::Method.from_str() can no longer raise an exception

/cc @ryanf the following used to cause exceptions: Pry::Method.from_str("NonexistentClass#method", binding)
I just wrapped from_str in a rescue Pry::RescuableException

lib/pry/method.rb

@@ -54,6 +54,9 @@ class Pry
           from_str(name, target, :instance => true) or
             from_str(name, target, :methods => true)
         end
+
+      rescue Pry::RescuableException
+        nil
       end
 
       # Given a `Binding`, try to extract the `::Method` it originated from and

spec/method_spec.rb

@@ -79,6 +79,10 @@ describe Pry::Method do
       meth = Pry::Method.from_str("klass::meth", Pry.binding_for(binding))
       meth.name.should == "meth"
     end
+
+    it 'should not raise an exception if receiver does not exist' do
+      lambda { Pry::Method.from_str("random_klass.meth", Pry.binding_for(binding)) }.should.not.raise
+    end
   end
 
   describe '.from_binding' do
@@ -459,4 +463,3 @@ describe Pry::Method do
 
   end
 end
-