Prepare v0.6.0 release.

Author: nelson6e65

CHANGELOG.md

@@ -1,7 +1,7 @@
 ## CHANGELOG
 Release notes for *PHP: Nelson Martell Library*.
 
-### Release 0.6.0
+### Release 0.6.0 (2016-10-06)
 
 #### Installation changes
 - :fire: Removed dependencies copy. Now you must install dependencies manually if not using `composer`.

VERSION

@@ -1 +1 @@
-0.6.0-dev
+0.6.0

src/constants.php

@@ -28,13 +28,13 @@
 
 
 /**
- * Current 'stable' version of `PHP: Nelson Martell Library`.
+ * Current version of `PHP: Nelson Martell Library` using.
  * Can be parsed into a `NelsonMartell\Version` object. ;)
  *
  * @constant string
  * @since    v0.4.4
  */
-define('NML_VERSION', '0.5.1');
+define('NML_VERSION', '0.6.0');
 
 
 // #############################################################################