diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..b13871e
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,14 @@
+# Change Log
+
+## (unreleased)
+
+Features:
+
+* supports input from std::cin
+
+## 3.0.0 (2016-05-24)
+
+Features:
+
+* parses [SAS](http://www.fast-downward.org/TranslatorOutputFormat) files created with [Fast Downward](http://www.fast-downward.org/)
+* experimental translation from SAS to ASP facts
diff --git a/LICENSE b/LICENSE.md
similarity index 94%
rename from LICENSE
rename to LICENSE.md
index ebdc5b6..cf01b76 100644
--- a/LICENSE
+++ b/LICENSE.md
@@ -1,6 +1,6 @@
-The MIT License (MIT)
+# The MIT License (MIT)
 
-Copyright (c) 2016 Patrick Lühne
+Copyright © 2016 Patrick Lühne
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/README.md b/README.md
index 8a636bc..292396d 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,7 @@
 # plasp—Translate PDDL to ASP
 
-[![Build Status](https://travis-ci.org/potassco/plasp.svg?branch=master)](https://travis-ci.org/potassco/plasp)
+[![GitHub Release](https://img.shields.io/github/release/potassco/plasp.svg?maxAge=2592000)](https://github.com/potassco/plasp/releases)
+[![Build Status](https://img.shields.io/travis/potassco/plasp/master.svg?maxAge=2592000)](https://travis-ci.org/potassco/plasp?branch=master)
 
 `plasp` 3 is in early development and not intended for productive use yet.
 
diff --git a/apps/plasp-app/main.cpp b/apps/plasp-app/main.cpp
index fdebffa..6576d4e 100644
--- a/apps/plasp-app/main.cpp
+++ b/apps/plasp-app/main.cpp
@@ -57,16 +57,12 @@ int main(int argc, char **argv)
 		return EXIT_SUCCESS;
 	}
 
-	if (!variablesMap.count("input"))
-	{
-		std::cerr << "Error: No input file specified" << std::endl << std::endl;
-		printHelp();
-		return EXIT_FAILURE;
-	}
-
 	try
 	{
-		const auto sasDescription = plasp::sas::Description::fromFile(variablesMap["input"].as<std::string>());
+		const auto sasDescription = variablesMap.count("input")
+			? plasp::sas::Description::fromFile(variablesMap["input"].as<std::string>())
+			: plasp::sas::Description::fromStream(std::cin);
+
 		const auto sasTranslator = plasp::sas::TranslatorASP(sasDescription);
 		sasTranslator.translate(std::cout);
 	}