0.2.2
    - Better thread management within the pool
    - Restart thread timeouts when modified
    - Fix argument passing
0.2.1
    - Set minimum pool size properly when initialized to avoid
      creating extra threads (thanks to Roger Pack)
0.2.0
    - Added argument support for passed tasks (thanks simonmenke)
    - Faster pool resizing
    - Smarter thread creation to limit unneeded creation
    - Allow floats for timeouts to provide better control
    - Test verified support for 1.8.6, 1.8.7, 1.9.1 and JRuby 1.4.0RC1
