Merge pull request #462 from WraithM/master

Adding peering1 and peering2 examples for Haskell.
Adds the lazy pirate pattern examples in Haskell
Makes crashes/overloads more like the C example
Merge pull request #463 from cpi-cecko/master

Adds the lazy pirate pattern examples in Haskell
Fixed bug in GSL (index += 1 in wrong place).
mdp_worker.md changed because of the fix in specs.gsl
Merge pull request #464 from ajanicij/master

Fixed bug in GSL (index += 1 in wrong place).
Merge branch 'master' of git://github.com/imatix/zguide