[BioRuby] Migrating to Ruby 1.9, the good, the bad and the ugly

[Pjotr Prins]

Ruby had a major overhaul with the introduction of the 1.9 series. 
I wrote something tips for migrating from 1.8 to 1.9:

  http://blog.thebird.nl/

Tell me, if you have more.

Pj.