Ensure running commands in multiline exprs works

lib/pry/pry_instance.rb

@@ -308,7 +308,7 @@ class Pry
         # Change the eval_string into the input encoding (Issue 284)
         ensure_correct_encoding!(eval_string, val)
 
-        if !process_command_safely(val, eval_string, target)
+        if !process_command_safely(val.lstrip, eval_string, target)
           eval_string << "#{val.chomp}\n" unless val.empty?
         end
       end

spec/pry_repl_spec.rb

@@ -0,0 +1,15 @@
+require 'helper'
+
+describe "The REPL" do
+  before do
+    Pry.config.auto_indent = true
+  end
+
+  after do
+    Pry.config.auto_indent = false
+  end
+
+  it "should let you run commands in the middle of multiline expressions" do
+    mock_pry("def a", "!", "5").should =~ /Input buffer cleared/
+  end
+end