Remove global python packages
Edit travis notification settings
Remove test requirements file from travis
Bump to version 0.13.0
Merge branch 'features'
Configure SERVER_NAME
Bump to version 0.13.1
Fix typo
Move variable
Remove port from heroku_server
Merge branch 'features'
Fix error setting variable
Bump to version 0.13.2
Merge branch 'features'
Fix SERVER_NAME
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Add optional parameter to join_shares
Fix cumsum bug
Fix bug with convert_prices method
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