Log Message:
Update to 0.159003

Upstream changes:
0.159003  2015-03-23 14:57:15+01:00 Europe/Amsterdam

    [ BUG FIXES ]
    * Fixed another memory leak with compiled hooks. (Sawyer X)
    * Fixed a memory leak with conditionally applied static middleware
      (Russell Jenkins)

    [ DOCUMENTATION ]
    * GH #854, #858: Fix after_template_render hook example. (Adam Weinberger)
    * GH #861: Improve documentation of 'forward'. (Andy Beverley)

0.159002  2015-03-03 19:21:21+01:00 Europe/Amsterdam

    [ BUG FIXES ]
    * GH #856: Memory leak when throwing exception from a hook. (Sawyer X)