Integration with data.world as a data portal

[roll]

Overview

# Read from datapackage file (we need to create/find a dataset with datapackage.json)
package = Package("https://data.world/14thlevelcleric/caseys-money")

# Create package from present files
package = Package("https://data.world/14thlevelcleric/caseys-money")

# Write package to data.world
# TBD

# More requirements will be added
# ...