Updated CHANGES.md

Author: MAJ

CHANGES.md

@@ -2,6 +2,9 @@
 
 ### Version 4.6.0-SNAPSHOT - TBD ([javadoc](http://diffplug.github.io/matconsolectl/javadoc/snapshot/), [jcenter](https://oss.sonatype.org/content/repositories/snapshots/com/diffplug/matsim/matconsolectl/))
 
+- Added checks for directories and non-exisiting files in classpath converters: In Configuration.getClassPathAsRMICodebase() and Configuration.getClassPathAsCanonicalPaths(). This prevents unnecessary IOExceptions for invalid classpaths.
+- https://github.com/diffplug/matconsolectl/pull/21
+
 ### Version 4.5.0 - July 18th 2017 ([javadoc](http://diffplug.github.io/matconsolectl/javadoc/4.5.0/), [jcenter](https://bintray.com/diffplug/opensource/matconsolectl/4.5.0/view))
 
 - Added `Builder.setOutputWriter` and `Builder.setErrorWriter` for capturing `stdout` and `stderr` from MATLAB. ([#20](https://github.com/diffplug/matconsolectl/pull/20))