raindrops 0.5.0 - more Linux extras!

raindrops 0.5.0 - more Linux extras!

Portable changes:
* Raindrops are now resizable within the limits of system page size
* Raindrops::Middleware proxies +to_path+ in response bodies
* More documentation

Linux-only changes:
* Raindrops::LastDataRecv[1] Rack application
* Raindrops::Watcher[2] Rack application
* Raindrops::TCP_Info[3] class for capturing TCP connection stats
* IPv6 support for inet_diag
* faster inet_diag stats for multiple sockets

There is also a demo server running the Watcher and Middleware
components.  It's capped to 30 concurrent users, so go easy on
it:

  Raindrops::Watcher: http://raindrops-demo.bogomips.org/
  Raindrops::Middleware: http://raindrops-demo.bogomips.org/_raindrops

[1] http://raindrops.bogomips.org/Raindrops/LastDataRecv.html
[2] http://raindrops.bogomips.org/Raindrops/Watcher.html
[3] http://raindrops.bogomips.org/Raindrops/TCP_Info.html