re-add reload-method as an alias for reload-code

Turns out some people actually used reload-method, so we re-add it to avoid them getting angry

lib/pry/commands/reload_code.rb

@@ -36,4 +36,5 @@ class Pry
   end
 
   Pry::Commands.add_command(Pry::Command::ReloadCode)
+  Pry::Commands.alias_command 'reload-method', 'reload-code'
 end

lib/pry/commands/show_info.rb

@@ -23,9 +23,13 @@ class Pry
 
       if show_all_modules?(code_object)
         # show all monkey patches for a module
+
+        @all_modules = true
         result = content_and_headers_for_all_module_candidates(code_object)
       else
         # show a specific code object
+
+        @all_modules = false
         result = content_and_header_for_code_object(code_object)
       end
 
@@ -34,7 +38,7 @@ class Pry
     end
 
     def content_and_header_for_code_object(code_object)
-      header(code_object) << content_for(code_object)
+      header(code_object) + content_for(code_object)
     end
 
     def content_and_headers_for_all_module_candidates(mod)
@@ -120,6 +124,10 @@ class Pry
       end
     end
 
+    def all_modules?
+      @all_modules
+    end
+
     def complete(input)
       if input =~ /([^ ]*)#([a-z0-9_]*)\z/
         prefix, search = [$1, $2]

lib/pry/commands/show_source.rb

@@ -25,7 +25,6 @@ class Pry
 
     # The source for code_object prepared for display.
     def content_for(code_object)
-      raise CommandError, "Cannot locate source!" if !code_object.source
       Code.new(code_object.source, start_line_for(code_object)).
         with_line_numbers(use_line_numbers?).to_s
     end

lib/pry/wrapped_module.rb

@@ -259,6 +259,10 @@ class Pry
       Pry::WrappedModule(sup) if sup
     end
 
+    def first_module_candidate_with_source
+
+    end
+
     private
 
     # @return [Pry::WrappedModule::Candidate] The candidate of rank 0,