bump version number

Author: pdschubert

README.md

@@ -6,7 +6,7 @@ PhASAR a LLVM-based Static Analysis Framework
 [![Codacy Badge](https://api.codacy.com/project/badge/Grade/c944f18c7960488798a0728db9380eb5)](https://app.codacy.com/app/pdschubert/phasar?utm_source=github.com&utm_medium=referral&utm_content=secure-software-engineering/phasar&utm_campaign=Badge_Grade_Dashboard)
 [![GitHub license](https://img.shields.io/badge/license-MIT-blue.svg)](https://raw.githubusercontent.com/secure-software-engineering/phasar/master/LICENSE.txt)
 
-Version 1220
+Version 0521
 
 Secure Software Engineering Group
 ---------------------------------

include/phasar/Config/Version.h

@@ -1 +1 @@
-#define PHASAR_VERSION v1220
+#define PHASAR_VERSION v0521