Merge branch 'release/v4.8.1' into 'development'

v4.8.1

See merge request rml/proc/rmlmapper-java!101

CHANGELOG.md

@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## Unreleased
 
+## [4.8.1] - 2020-07-03
+
 ### Changed
 - updated grel-functions-java to 0.5.2
 
@@ -268,6 +270,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - support for accessing remote files (via HTTP GET)
 - basic support for functions
 
+[4.8.1]: https://github.com/RMLio/rmlmapper-java/compare/v4.8.0...v4.8.1
 [4.8.0]: https://github.com/RMLio/rmlmapper-java/compare/v4.7.0...v4.8.0
 [4.7.0]: https://github.com/RMLio/rmlmapper-java/compare/v4.6.0...v4.7.0
 [4.6.0]: https://github.com/RMLio/rmlmapper-java/compare/v4.5.1...v4.6.0

buildNumber.properties

@@ -1,3 +1,3 @@
 #maven.buildNumber.plugin properties file
-#Fri Jun 19 14:06:02 CEST 2020
-buildNumber0=254
+#Fri Jul 03 09:44:11 CEST 2020
+buildNumber0=259

pom.xml

@@ -2,7 +2,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>be.ugent.rml</groupId>
     <artifactId>rmlmapper</artifactId>
-    <version>4.8.0</version>
+    <version>4.8.1</version>
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <junit.version>4.12</junit.version>