Update 0.32 to 0.33
-------------------
0.33    2015/07/29 16:15:55
        [CHANGES]
        * Added ->catch and ->catch_with_f
        * Add catch-handler semantics to ->then / ->then_with_f
        * Also pass fmap* items via $_ (RT105558)
        * Undocument ->done_cb / ->fail_cb / ->cancel_cb
        * Entirely delete ->and_then / ->or_else
        * New barename documentation style including "since" versions
        * Further document the idea of failure categories as used by catch*

(mef)