[Nostromo] Improve tests and update Changelog

CHANGELOG.md

@@ -2,6 +2,7 @@ CHANGELOG for 3.x
 =================
 
 * 3.0.X (2017-XX-XX)
+ * [BUGFIX] [PR#342] Ignore empty exclude lines
  * [PR#330] Allow Composer task options to be overwritten at environment level
  * [PR#330] Add new method Runtime::getMergedOption to merge ConfigOption and EnvOption
  * [Documentation] [PR#333] Improve example config file

tests/Resources/testhost.yml

@@ -10,6 +10,8 @@ magephp:
                 - ./var/cache/*
                 - ./var/log/*
                 - ./web/app_dev.php
+                -
+                -
             hosts:
                 - testhost
             pre-deploy: