Fix SessionData so it's fetch method works like the ruby Hash#fetch method
Fix SessionData so it's fetch method works like the ruby Hash#fetch method

#fetch was aliased to [] which makes that method incompatible with how the method works on a ruby Hash.
samwgoldman/torquebox,vaskoz/torquebox,ksw2599/torquebox,vaskoz/torquebox,mje113/torquebox,torquebox/torquebox,samwgoldman/torquebox,ksw2599/torquebox,torquebox/torquebox,torquebox/torquebox-release,mje113/torquebox,torquebox/torquebox,torquebox/torquebox-release,torquebox/torquebox,vaskoz/torquebox,mje113/torquebox,torquebox/torquebox-release,vaskoz/torquebox,ksw2599/torquebox,samwgoldman/torquebox,samwgoldman/torquebox,torquebox/torquebox-release,mje113/torquebox,ksw2599/torquebox