Fix the check if the default bucket is set when the user data is being composed
Update version
Bump to dev version
added note on wait time to Workflow.run
fix for #85
Added changelog file (with entries for the most recent, v0.5.1, release)
Remove from ObjLibraryClient 6 methods which should be called from Library instances (objects cleanup).
Add documentation for upload_file() and paste_content() methods. Make upload_payload() method private.
Rename get_current_history() to get_most_recently_used_history().

The current history is not necessarily the most recently used one.
The Galaxy API method to get the current history has been removed in commit

https://bitbucket.org/galaxy/galaxy-central/commits/5ce55f9f2923dcdf27150cce3addd6e1ff3782d7
Workaround "urllib3.exceptions.ProtocolError not wrapped" bug in Requests 2.4 .

See https://github.com/kennethreitz/requests/issues/2192 .
Merge pull request #86 from nsoranzo/objects_cleanup

ObjLibraryClient cleanup + misc fixes
Add 'tags' attribute to HistoryDatasetAssociation, History and HistoryPreview objects.
Merge pull request #87 from nsoranzo/master

Add 'tags' attribute to HistoryDatasetAssociation, History and HistoryPr...
Update travis to reflect latest galaxy config reorganization