Merge remote-tracking branch 'upstream/master'

refEmulate

@@ -84,6 +84,8 @@ files.each do |file_path|
     unless $options[:assemble_only] then
       puts "-- Emulation Output:" 
       puts json['emulator_out']
+      puts "---------------------------------------------------------------"
+      puts "The exit code is: #{exit_code}."
       puts ""
     end
   end

valid/IO/print/multipleStringsAssignment.wacc

@@ -5,7 +5,7 @@
 # s2 is Hi
 # They are not the same string.
 # Now make s1 = s2
-# s1 is hi
+# s1 is Hi
 # s2 is Hi
 # They are the same string.