Fix method name clash in Client#initialize_client!
Fix another clash in Client due to context change.
Add Pry and debugger gems.
Add config option to log SOAP request body.
Add ID property to Subscriber.
Add Email model.
When a SOAP request raises an unknown exception, just raise that exception rather than wrapping it in another error class.
Add .rvmrc.
Allow not using a filter on Retrieve.
Add Lists and Status properties to Subscriber.
Add List model and related variations (SendDefinitionList, SubscriberList).
Add SendClassification model.
Add EmailSendDefinition model.
Remove Pry and debugger from Gemfile.
Update version to 0.9.0.
Update Gemfile.lock to reflect removal of gems.
Fix missing "end".
Loosen gem version requirements and update gems to latest.
Also need to update gemspec to reflect looser dependency versions.
Add support for Configure method.