bump commons-cli version

build.gradle

@@ -40,7 +40,7 @@ def tlatools_version = '1.0.2'
 
 dependencies {
 
-	compile 'commons-cli:commons-cli:1.2'
+  compile (group: 'commons-cli', name: 'commons-cli', version: '1.4')
   compile (group: 'de.hhu.stups', name: 'tlatools', version: tlatools_version)
   compile (group: 'de.hhu.stups', name: 'prologlib', version: parser_version)
   compile (group: 'de.hhu.stups', name: 'parserbase', version: parser_version)