I think this is what has to be done for UNIX

Author: Codisimus

.travis.yml

@@ -19,7 +19,7 @@ before_script:
       git push --quiet https://[email protected]/Codisimus/PhatLoots
     else
       echo -e "Appending build number to version for dev build...\n"
-      sed -i "/^version:/ s/\r\n/+$TRAVIS_BUILD_NUMBER/" $TRAVIS_BUILD_DIR/src/plugin.yml
+      sed -i "/^version:/ s/.$/+$TRAVIS_BUILD_NUMBER/" $TRAVIS_BUILD_DIR/src/plugin.yml
       cat $TRAVIS_BUILD_DIR/src/plugin.yml
     fi