bump to 1.3.0

Author: Fulvio N.

README.txt

@@ -4,7 +4,7 @@ Donate link: https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_i
 Tags: development, debug, debugging
 Requires at least: 3.6.0
 Tested up to: 4.1
-Stable tag: 1.2.3
+Stable tag: 1.3.0
 License: GPLv2 or later
 License URI: http://www.gnu.org/licenses/gpl-2.0.html
 
@@ -52,8 +52,8 @@ None yet.
 
 == Changelog ==
 
-= 1.2.4 =
-* Added configuration options
+= 1.3.0 =
+* Enhancement: added configuration options (props @polfo)
 * - Register PC class
 * - Show Call Stack
 * - Short Path Names
@@ -81,4 +81,4 @@ None yet.
 == Upgrade Notice ==
 
 = 1.0.0 =
-First public release.
+First public release.