Log Message:
Update to 0.160001

Upstream changes:
0.160001  2015-05-14 20:40:10+02:00 Europe/Amsterdam

    [ BUG FIXES ]
    * GH #893, #895: Catch config parse errors when Config::Any doesn't throw
      them. (Russell Jenkins)
    * GH #899: Minimum YAML version supported is v0.86 (Shlomi Fish)
    * GH #906: send_file - missing import and fix logic error for streaming
      by default (Russell Jenkins)

    [ DOCUMENTATION ]
    * GH #897: Remove docs for unimplemented 'load' keyword (Fayland Lam)

    [ ENHANCEMENT ]
    * GH #894, #898: Add status and headers methods to ::Response::Delayed
      (Yanick Champoux, Charlie Gonzalez)