release-0.8.0

• Removed deprecated method create_user() of UserClient.
• Deprecated HistoryClient.download_dataset() in favor of
  DatasetClient.download_dataset().
• Modified update_dataset(), update_dataset_collection() and
  update_history() methods of HistoryClient to return the details
  instead of the status code.
• Modified update_dataset(), update_dataset_collection() and
  update_history() methods of HistoryClient to return the details
  instead of the status code.
• Modified GalaxyClient.make_put_request() to return the decoded response
  content.
• Added install_resolver_dependencies parameter to
  ToolShedClient.install_repository_revision(), applicable for Galaxy
  release_16.07 and later (thanks to Marius van den Beek).
• Improve DatasetClient.download_dataset() by downloading the dataset in
  chunks when saving to file (thanks to Jorrit Boekel).
• Added bioblend.toolshed.categories.ToolShedCategoryClient;
  renamed bioblend.toolshed.repositories.ToolShedClient class to
  bioblend.toolshed.repositories.ToolShedRepositoryClient;
  renamed bioblend.toolshed.tools.ToolShedClient class to
  bioblend.toolshed.tools.ToolShedToolClient.
• Added delete_user() method to UserClient.
• BioBlend.objects: added update() method to HistoryDatasetAssociation.
• BioBlend.objects: added annotation and genome_build attributes to
  HistoryDatasetAssociation objects.
• BioBlend.objects: added update() method to HistoryDatasetAssociation.
• BioBlend.objects: added ability to create and delete dataset collections
  (thanks to Alex MacLean).
• BioBlend.objects: added dataset collections to the outputs of
  Workflow.run().
• Added ability to launch Galaxy CloudMan instances into AWS VPC.
• A number of testing tweaks, documentation improvements and minor fixes.