updated CHANGELOG for version 0.2.1

Author: thunderer

CHANGELOG.md

@@ -2,6 +2,11 @@
 
 ## Version 0.*
 
+* v0.2.1 (23.04.2015)
+
+  * fixed matching simple parameter values enclosed by delimiters,
+  * fixed missing support for escaping characters inside parameter values.
+
 * v0.2.0 (17.04.2015)
 
   * added HandlerInterface to enable shortcode handlers with basic validation capabilities,
@@ -13,8 +18,8 @@
   * added syntax builder to ease building `Syntax` object,
   * added dash `-` to allowed characters in shortcode names,
   * deprecated `Processor::setRecursion()`, use `Processor::setRecursionDepth()` instead,
-  * removed regular expressions constants from classes,
+  * removed regular expressions constants from classes.
 
 * v0.1.0 (06.04.2015)
 
-  * first library version
+  * first library version.