== 0.2.2 2007-06-06

* 1 major enhancement:
  * Accept pattern with condition

== 0.2.1 2007-06-05

* 1 minor enhancement:
  * Repackage

== 0.2.0 2007-06-05

* 1 major enhancement:
  * Thread unsafeness removed
  * API for field access is changed

== 0.1.4 2007-06-05

* 1 minor enhancement:
  * Add API doc link in documents

== 0.1.3 2007-06-05

* 1 minor enhancement:
  * Document refinement

== 0.1.2 2007-06-04

* 1 minor enhancement:
  * Reupdate

== 0.1.1 2007-06-04

* 1 minor enhancement:
  * Check use with rubygems system
  * Update examples and web site

== 0.1.0 2007-06-03

* 1 major enhancement:
  * Initial release